125938394884 has 27 divisors (see below), whose sum is σ = 221790859381. Its totient is φ = 62572088960.

The previous prime is 125938394861. The next prime is 125938394893. The reversal of 125938394884 is 488493839521.

The square root of 125938394884 is 354878.

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

125938394884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2428321284 + 123510073600 = 49278^2 + 351440^2 .

It is a Duffinian number.

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, 135562932 + ... + 135563860.

Almost surely, 2^125938394884 is an apocalyptic number.

125938394884 is the 354878-th square number.

It is an amenable number.

125938394884 is a deficient number, since it is larger than the sum of its proper divisors (95852464497).

125938394884 is an frugal number, since it uses more digits than its factorization.

125938394884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244 (or 1122 counting only the distinct ones).

The product of its digits is 59719680, while the sum is 64.

Multiplying 125938394884 by its sum of digits (64), we get a square (8060057272576 = 2839024²).

The spelling of 125938394884 in words is "one hundred twenty-five billion, nine hundred thirty-eight million, three hundred ninety-four thousand, eight hundred eighty-four".