125595491 has 16 divisors (see below), whose sum is σ = 156307200. Its totient is φ = 98467488.

The previous prime is 125595487. The next prime is 125595493. The reversal of 125595491 is 194595521.

It is not a de Polignac number, because 125595491 - 2² = 125595487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125595493) 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, 12425 + ... + 20138.

It is an arithmetic number, because the mean of its divisors is an integer number (9769200).

Almost surely, 2^125595491 is an apocalyptic number.

125595491 is a deficient number, since it is larger than the sum of its proper divisors (30711709).

125595491 is a wasteful number, since it uses less digits than its factorization.

125595491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32618.

The product of its digits is 81000, while the sum is 41.

The square root of 125595491 is about 11206.9394127032. The cubic root of 125595491 is about 500.7927304925.

The spelling of 125595491 in words is "one hundred twenty-five million, five hundred ninety-five thousand, four hundred ninety-one".