125117112657 has 8 divisors (see below), whose sum is σ = 167754788640. Its totient is φ = 82945422560.

The previous prime is 125117112641. The next prime is 125117112661. The reversal of 125117112657 is 756211711521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125117112657 - 2⁴ = 125117112641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125117112257) 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 7 ways as a sum of consecutive naturals, for example, 116495844 + ... + 116496917.

It is an arithmetic number, because the mean of its divisors is an integer number (20969348580).

Almost surely, 2^125117112657 is an apocalyptic number.

It is an amenable number.

125117112657 is a deficient number, since it is larger than the sum of its proper divisors (42637675983).

125117112657 is a wasteful number, since it uses less digits than its factorization.

125117112657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232992943.

The product of its digits is 29400, while the sum is 39.

The spelling of 125117112657 in words is "one hundred twenty-five billion, one hundred seventeen million, one hundred twelve thousand, six hundred fifty-seven".