122959403975 has 12 divisors (see below), whose sum is σ = 152474098920. Its totient is φ = 98364660000.

The previous prime is 122959403947. The next prime is 122959404067. The reversal of 122959403975 is 579304959221.

It is a happy number.

It is not a de Polignac number, because 122959403975 - 2⁸ = 122959403719 is a prime.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 122959403975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1388321 + ... + 1474229.

It is an arithmetic number, because the mean of its divisors is an integer number (12706174910).

Almost surely, 2^122959403975 is an apocalyptic number.

122959403975 is a deficient number, since it is larger than the sum of its proper divisors (29514694945).

122959403975 is an equidigital number, since it uses as much as digits as its factorization.

122959403975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143170 (or 143165 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 56.

The spelling of 122959403975 in words is "one hundred twenty-two billion, nine hundred fifty-nine million, four hundred three thousand, nine hundred seventy-five".