125452634624 has 40 divisors (see below), whose sum is σ = 255993490368. Its totient is φ = 61391703040.

The previous prime is 125452634623. The next prime is 125452634641. The reversal of 125452634624 is 426436254521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125452634623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582582 + ... + 2630709.

Almost surely, 2^125452634624 is an apocalyptic number.

It is an amenable number.

125452634624 is an abundant number, since it is smaller than the sum of its proper divisors (130540855744).

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

125452634624 is an frugal number, since it uses more digits than its factorization.

125452634624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5213356 (or 5213340 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 44.

The spelling of 125452634624 in words is "one hundred twenty-five billion, four hundred fifty-two million, six hundred thirty-four thousand, six hundred twenty-four".