125390800 has 30 divisors (see below), whose sum is σ = 301252358. Its totient is φ = 50156160.

The previous prime is 125390767. The next prime is 125390803. The reversal of 125390800 is 8093521.

It can be written as a sum of positive squares in 3 ways, for example, as 28643904 + 96746896 = 5352^2 + 9836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125390803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156339 + ... + 157138.

Almost surely, 2^125390800 is an apocalyptic number.

125390800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125390800 is an abundant number, since it is smaller than the sum of its proper divisors (175861558).

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

125390800 is a wasteful number, since it uses less digits than its factorization.

125390800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313495 (or 313484 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 125390800 is about 11197.8033560159. The cubic root of 125390800 is about 500.5205245869.

The spelling of 125390800 in words is "one hundred twenty-five million, three hundred ninety thousand, eight hundred".