122908125430656 has 80 divisors (see below), whose sum is σ = 365772589745640. Its totient is φ = 40969375140096.

The previous prime is 122908125430633. The next prime is 122908125430667. The reversal of 122908125430656 is 656034521809221.

122908125430656 is a `hidden beast` number, since 1 + 2 + 2 + 9 + 0 + 81 + 254 + 306 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5927271916 + ... + 5927292651.

Almost surely, 2^{122908125430656} is an apocalyptic number.

122908125430656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122908125430656 is an abundant number, since it is smaller than the sum of its proper divisors (242864464314984).

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

122908125430656 is an equidigital number, since it uses as much as digits as its factorization.

122908125430656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11854564593 (or 11854564572 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 54.

The spelling of 122908125430656 in words is "one hundred twenty-two trillion, nine hundred eight billion, one hundred twenty-five million, four hundred thirty thousand, six hundred fifty-six".