125013642 has 32 divisors (see below), whose sum is σ = 275529408. Its totient is φ = 37570176.

The previous prime is 125013617. The next prime is 125013643. The reversal of 125013642 is 246310521.

It is a super-2 number, since 2×125013642² = 31256821372208328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125013643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15283 + ... + 21990.

It is an arithmetic number, because the mean of its divisors is an integer number (8610294).

Almost surely, 2^125013642 is an apocalyptic number.

125013642 is an abundant number, since it is smaller than the sum of its proper divisors (150515766).

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

125013642 is a wasteful number, since it uses less digits than its factorization.

125013642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37334.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 125013642 is about 11180.9499596412. The cubic root of 125013642 is about 500.0181886717.

The spelling of 125013642 in words is "one hundred twenty-five million, thirteen thousand, six hundred forty-two".