122635103657 has 16 divisors (see below), whose sum is σ = 138943382400. Its totient is φ = 107254477440.

The previous prime is 122635103653. The next prime is 122635103719. The reversal of 122635103657 is 756301536221.

It is not a de Polignac number, because 122635103657 - 2² = 122635103653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122635103653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656557 + ... + 1729002.

It is an arithmetic number, because the mean of its divisors is an integer number (8683961400).

Almost surely, 2^122635103657 is an apocalyptic number.

It is an amenable number.

122635103657 is a deficient number, since it is larger than the sum of its proper divisors (16308278743).

122635103657 is a wasteful number, since it uses less digits than its factorization.

122635103657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3385696.

The product of its (nonzero) digits is 226800, while the sum is 41.

Adding to 122635103657 its reverse (756301536221), we get a palindrome (878936639878).

The spelling of 122635103657 in words is "one hundred twenty-two billion, six hundred thirty-five million, one hundred three thousand, six hundred fifty-seven".