125842922697 has 16 divisors (see below), whose sum is σ = 168728813568. Its totient is φ = 83426987280.

The previous prime is 125842922693. The next prime is 125842922707. The reversal of 125842922697 is 796229248521.

It is not a de Polignac number, because 125842922697 - 2² = 125842922693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125842922693) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 506218 + ... + 712700.

It is an arithmetic number, because the mean of its divisors is an integer number (10545550848).

Almost surely, 2^125842922697 is an apocalyptic number.

It is an amenable number.

125842922697 is a deficient number, since it is larger than the sum of its proper divisors (42885890871).

125842922697 is a wasteful number, since it uses less digits than its factorization.

125842922697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207620.

The product of its digits is 8709120, while the sum is 57.

The spelling of 125842922697 in words is "one hundred twenty-five billion, eight hundred forty-two million, nine hundred twenty-two thousand, six hundred ninety-seven".