125521614 has 12 divisors (see below), whose sum is σ = 271963536. Its totient is φ = 41840532.

The previous prime is 125521609. The next prime is 125521637. The reversal of 125521614 is 416125521.

125521614 is a `hidden beast` number, since 1 + 25 + 5 + 21 + 614 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3486694 + ... + 3486729.

It is an arithmetic number, because the mean of its divisors is an integer number (22663628).

Almost surely, 2^125521614 is an apocalyptic number.

125521614 is an abundant number, since it is smaller than the sum of its proper divisors (146441922).

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

125521614 is a wasteful number, since it uses less digits than its factorization.

125521614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6973431 (or 6973428 counting only the distinct ones).

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

The square root of 125521614 is about 11203.6428897033. The cubic root of 125521614 is about 500.6945201701.

The spelling of 125521614 in words is "one hundred twenty-five million, five hundred twenty-one thousand, six hundred fourteen".