125977516 has 24 divisors (see below), whose sum is σ = 252274176. Its totient is φ = 53922000.

The previous prime is 125977493. The next prime is 125977517. The reversal of 125977516 is 615779521.

It is not an unprimeable number, because it can be changed into a prime (125977517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24141 + ... + 28891.

It is an arithmetic number, because the mean of its divisors is an integer number (10511424).

Almost surely, 2^125977516 is an apocalyptic number.

It is an amenable number.

125977516 is an abundant number, since it is smaller than the sum of its proper divisors (126296660).

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

125977516 is a wasteful number, since it uses less digits than its factorization.

125977516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5709 (or 5707 counting only the distinct ones).

The product of its digits is 132300, while the sum is 43.

The square root of 125977516 is about 11223.9705986785. The cubic root of 125977516 is about 501.2999718837.

The spelling of 125977516 in words is "one hundred twenty-five million, nine hundred seventy-seven thousand, five hundred sixteen".