125013651 has 12 divisors (see below), whose sum is σ = 193898952. Its totient is φ = 71436288.

The previous prime is 125013649. The next prime is 125013661. The reversal of 125013651 is 156310521.

It is not a de Polignac number, because 125013651 - 2¹ = 125013649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125013601) 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, 425070 + ... + 425363.

It is an arithmetic number, because the mean of its divisors is an integer number (16158246).

Almost surely, 2^125013651 is an apocalyptic number.

125013651 is a deficient number, since it is larger than the sum of its proper divisors (68885301).

125013651 is an equidigital number, since it uses as much as digits as its factorization.

125013651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850450 (or 850443 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 125013651 is about 11180.9503621114. The cubic root of 125013651 is about 500.0182006708.

The spelling of 125013651 in words is "one hundred twenty-five million, thirteen thousand, six hundred fifty-one".