Actually the number 108, is made up, by the simple mathematical formula of 9 x 12.
9 is the largest number that exists, if we look at it, from a numerological point of view. Because according to the science of numerology even the number 10,401 adds up only to be 6. 1+0+4+0+1 = 6. So if we break down the numbers to a single digit, the maximum value of them, can not be a larger number than 9.
The other number that makes up the sacred number of 108 is the number 12. 12 is seen as the largest variant that exists. 12 months of the year, 12 hours of the day, and 12 hours of the night, etc. Plus the number 12 is made up of two numbers, 1 and 2. The number 1 is the symbol for the Sun, and the symbolical number for the Moon, is the number 2.
And here comes a very interesting fact. If you divide the distance of the Sun and the Earth, or the Moon and the Earth and you divide that number by the diameter of the Sun or the Moon respectively the number comes to 108.
So apart from the mysticism, if you multiply the largest number by the largest variant you get the largest, or the greatest number that exists, 108.
Om Tat Sat
The founder of Oriental Method