125216630 has 64 divisors (see below), whose sum is σ = 283295232. Its totient is φ = 38711040.

The previous prime is 125216617. The next prime is 125216633. The reversal of 125216630 is 36612521.

It is a self number, because there is not a number n which added to its sum of digits gives 125216630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125216633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104897 + ... + 106083.

It is an arithmetic number, because the mean of its divisors is an integer number (4426488).

Almost surely, 2^125216630 is an apocalyptic number.

125216630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125216630 is an abundant number, since it is smaller than the sum of its proper divisors (158078602).

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

125216630 is a wasteful number, since it uses less digits than its factorization.

125216630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 125216630 is about 11190.0236818337. The cubic root of 125216630 is about 500.2886733034.

The spelling of 125216630 in words is "one hundred twenty-five million, two hundred sixteen thousand, six hundred thirty".