125881776 has 60 divisors (see below), whose sum is σ = 365353352. Its totient is φ = 41959296.

The previous prime is 125881729. The next prime is 125881799. The reversal of 125881776 is 677188521.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12301 + ... + 20076.

Almost surely, 2^125881776 is an apocalyptic number.

125881776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125881776 is an abundant number, since it is smaller than the sum of its proper divisors (239471576).

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

125881776 is an equidigital number, since it uses as much as digits as its factorization.

125881776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32400 (or 32382 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 125881776 is about 11219.7048089511. The cubic root of 125881776 is about 501.1729475697.

The spelling of 125881776 in words is "one hundred twenty-five million, eight hundred eighty-one thousand, seven hundred seventy-six".