125614521 has 12 divisors (see below), whose sum is σ = 181587120. Its totient is φ = 83676600.

The previous prime is 125614507. The next prime is 125614553. The reversal of 125614521 is 125416521.

125614521 is a `hidden beast` number, since 1 + 25 + 614 + 5 + 21 = 666.

It is not a de Polignac number, because 125614521 - 2⁷ = 125614393 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125614591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8250 + ... + 17868.

It is an arithmetic number, because the mean of its divisors is an integer number (15132260).

Almost surely, 2^125614521 is an apocalyptic number.

It is an amenable number.

125614521 is a deficient number, since it is larger than the sum of its proper divisors (55972599).

125614521 is a wasteful number, since it uses less digits than its factorization.

125614521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076 (or 11073 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 125614521 is about 11207.7884080670. The cubic root of 125614521 is about 500.8180222826.

The spelling of 125614521 in words is "one hundred twenty-five million, six hundred fourteen thousand, five hundred twenty-one".