122904108 has 48 divisors (see below), whose sum is σ = 319925760. Its totient is φ = 40802832.

The previous prime is 122904079. The next prime is 122904113. The reversal of 122904108 is 801409221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26241 + ... + 30567.

It is an arithmetic number, because the mean of its divisors is an integer number (6665120).

Almost surely, 2^122904108 is an apocalyptic number.

122904108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122904108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159962880).

122904108 is an abundant number, since it is smaller than the sum of its proper divisors (197021652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122904108 is a wasteful number, since it uses less digits than its factorization.

122904108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603 (or 4595 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 122904108 is about 11086.2125182589. The cubic root of 122904108 is about 497.1897114834.

The spelling of 122904108 in words is "one hundred twenty-two million, nine hundred four thousand, one hundred eight".