125813320 has 32 divisors (see below), whose sum is σ = 290734200. Its totient is φ = 48964608.

The previous prime is 125813279. The next prime is 125813323. The reversal of 125813320 is 23318521.

It can be written as a sum of positive squares in 4 ways, for example, as 120253156 + 5560164 = 10966^2 + 2358^2 .

It is not an unprimeable number, because it can be changed into a prime (125813323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41025 + ... + 43984.

Almost surely, 2^125813320 is an apocalyptic number.

125813320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125813320 is an abundant number, since it is smaller than the sum of its proper divisors (164920880).

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

125813320 is a wasteful number, since it uses less digits than its factorization.

125813320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85057 (or 85053 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 125813320 is about 11216.6536899380. The cubic root of 125813320 is about 501.0820831693.

The spelling of 125813320 in words is "one hundred twenty-five million, eight hundred thirteen thousand, three hundred twenty".