125005621132 has 48 divisors (see below), whose sum is σ = 251050831360. Its totient is φ = 53351540352.

The previous prime is 125005621109. The next prime is 125005621141. The reversal of 125005621132 is 231126500521.

It is a super-2 number, since 2×125005621132² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 125005621132.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6682969 + ... + 6701647.

Almost surely, 2^125005621132 is an apocalyptic number.

It is an amenable number.

125005621132 is an abundant number, since it is smaller than the sum of its proper divisors (126045210228).

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

125005621132 is a wasteful number, since it uses less digits than its factorization.

125005621132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19670 (or 19668 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 125005621132 in words is "one hundred twenty-five billion, five million, six hundred twenty-one thousand, one hundred thirty-two".