125415930 has 32 divisors (see below), whose sum is σ = 301392000. Its totient is φ = 33400512.

The previous prime is 125415883. The next prime is 125415931. The reversal of 125415930 is 39514521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (125415931) 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, 25296 + ... + 29844.

It is an arithmetic number, because the mean of its divisors is an integer number (9418500).

Almost surely, 2^125415930 is an apocalyptic number.

125415930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125415930 is an abundant number, since it is smaller than the sum of its proper divisors (175976070).

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

125415930 is a wasteful number, since it uses less digits than its factorization.

125415930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 125415930 is about 11198.9253948761. The cubic root of 125415930 is about 500.5539593647.

The spelling of 125415930 in words is "one hundred twenty-five million, four hundred fifteen thousand, nine hundred thirty".