125413723044 has 27 divisors (see below), whose sum is σ = 317023393323. Its totient is φ = 41803866072.

The previous prime is 125413723037. The next prime is 125413723063. The reversal of 125413723044 is 440327314521.

The square root of 125413723044 is 354138.

It is a perfect power (a square), and thus also a powerful number.

125413723044 is a `hidden beast` number, since 1 + 2 + 5 + 413 + 7 + 230 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2095317 + ... + 2154339.

Almost surely, 2^125413723044 is an apocalyptic number.

125413723044 is the 354138-th square number.

It is an amenable number.

125413723044 is an abundant number, since it is smaller than the sum of its proper divisors (191609670279).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125413723044 is an frugal number, since it uses more digits than its factorization.

125413723044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118056 (or 59028 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

Multiplying 125413723044 by its sum of digits (36), we get a square (4514894029584 = 2124828²).

125413723044 divided by its sum of digits (36) gives a square (3483714529 = 59023²).

The spelling of 125413723044 in words is "one hundred twenty-five billion, four hundred thirteen million, seven hundred twenty-three thousand, forty-four".