125580931876 has 27 divisors (see below), whose sum is σ = 221299054417. Its totient is φ = 62355649040.

The previous prime is 125580931783. The next prime is 125580931901. The reversal of 125580931876 is 678139085521.

The square root of 125580931876 is 354374.

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

It can be written as a sum of positive squares in only one way, i.e., 82698805476 + 42882126400 = 287574^2 + 207080^2 .

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, 118360386 + ... + 118361446.

Almost surely, 2^125580931876 is an apocalyptic number.

125580931876 is the 354374-th square number.

It is an amenable number.

125580931876 is a deficient number, since it is larger than the sum of its proper divisors (95718122541).

125580931876 is an frugal number, since it uses more digits than its factorization.

125580931876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 55.

The spelling of 125580931876 in words is "one hundred twenty-five billion, five hundred eighty million, nine hundred thirty-one thousand, eight hundred seventy-six".