125281457652 has 48 divisors (see below), whose sum is σ = 315318637760. Its totient is φ = 38485836288.

The previous prime is 125281457647. The next prime is 125281457671. The reversal of 125281457652 is 256754182521.

It is a congruent number.

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, 552133 + ... + 745260.

Almost surely, 2^125281457652 is an apocalyptic number.

125281457652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125281457652 is an abundant number, since it is smaller than the sum of its proper divisors (190037180108).

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

125281457652 is a wasteful number, since it uses less digits than its factorization.

125281457652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298032 (or 1298030 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 48.

The spelling of 125281457652 in words is "one hundred twenty-five billion, two hundred eighty-one million, four hundred fifty-seven thousand, six hundred fifty-two".