122047995657 has 32 divisors (see below), whose sum is σ = 188400844800. Its totient is φ = 68834736000.

The previous prime is 122047995599. The next prime is 122047995761. The reversal of 122047995657 is 756599740221.

It is not a de Polignac number, because 122047995657 - 2⁸ = 122047995401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122047995597 and 122047995606.

It is not an unprimeable number, because it can be changed into a prime (122047995257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1795032 + ... + 1861782.

It is an arithmetic number, because the mean of its divisors is an integer number (5887526400).

Almost surely, 2^122047995657 is an apocalyptic number.

It is an amenable number.

122047995657 is a deficient number, since it is larger than the sum of its proper divisors (66352849143).

122047995657 is a wasteful number, since it uses less digits than its factorization.

122047995657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67893.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 122047995657 in words is "one hundred twenty-two billion, forty-seven million, nine hundred ninety-five thousand, six hundred fifty-seven".