125440800 has 72 divisors (see below), whose sum is σ = 408317616. Its totient is φ = 33450240.

The previous prime is 125440789. The next prime is 125440801. The reversal of 125440800 is 8044521.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (125440801) 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, 23734 + ... + 28533.

It is an arithmetic number, because the mean of its divisors is an integer number (5671078).

Almost surely, 2^125440800 is an apocalyptic number.

125440800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125440800 is an abundant number, since it is smaller than the sum of its proper divisors (282876816).

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

125440800 is a wasteful number, since it uses less digits than its factorization.

125440800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52290 (or 52277 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 125440800 is about 11200.0357142288. The cubic root of 125440800 is about 500.5870438227.

The spelling of 125440800 in words is "one hundred twenty-five million, four hundred forty thousand, eight hundred".