125642516 has 12 divisors (see below), whose sum is σ = 231446880. Its totient is φ = 59514840.

The previous prime is 125642507. The next prime is 125642521. The reversal of 125642516 is 615246521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 826520 + ... + 826671.

It is an arithmetic number, because the mean of its divisors is an integer number (19287240).

Almost surely, 2^125642516 is an apocalyptic number.

It is an amenable number.

125642516 is a deficient number, since it is larger than the sum of its proper divisors (105804364).

125642516 is a wasteful number, since it uses less digits than its factorization.

125642516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653214 (or 1653212 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 125642516 is about 11209.0372467933. The cubic root of 125642516 is about 500.8552243486.

The spelling of 125642516 in words is "one hundred twenty-five million, six hundred forty-two thousand, five hundred sixteen".