125195971958 has 8 divisors (see below), whose sum is σ = 197677850520. Its totient is φ = 59303355120.

The previous prime is 125195971937. The next prime is 125195971973. The reversal of 125195971958 is 859179591521.

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

It is a self number, because there is not a number n which added to its sum of digits gives 125195971958.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647315383 + ... + 1647315458.

It is an arithmetic number, because the mean of its divisors is an integer number (24709731315).

Almost surely, 2^125195971958 is an apocalyptic number.

125195971958 is a deficient number, since it is larger than the sum of its proper divisors (72481878562).

125195971958 is a wasteful number, since it uses less digits than its factorization.

125195971958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3294630862.

The product of its digits is 10206000, while the sum is 62.

The spelling of 125195971958 in words is "one hundred twenty-five billion, one hundred ninety-five million, nine hundred seventy-one thousand, nine hundred fifty-eight".