125225500 has 24 divisors (see below), whose sum is σ = 273493584. Its totient is φ = 50090000.

The previous prime is 125225489. The next prime is 125225537. The reversal of 125225500 is 5522521.

125225500 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

125225500 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124726 + ... + 125725.

It is an arithmetic number, because the mean of its divisors is an integer number (11395566).

Almost surely, 2^125225500 is an apocalyptic number.

125225500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125225500 is an abundant number, since it is smaller than the sum of its proper divisors (148268084).

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

125225500 is a wasteful number, since it uses less digits than its factorization.

125225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250470 (or 250458 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 125225500 is about 11190.4200099907. The cubic root of 125225500 is about 500.3004860468.

It can be divided in two parts, 125 and 225500, that added together give a square (225625 = 475²).

The spelling of 125225500 in words is "one hundred twenty-five million, two hundred twenty-five thousand, five hundred".