125321500 has 24 divisors (see below), whose sum is σ = 273703248. Its totient is φ = 50128400.

The previous prime is 125321491. The next prime is 125321513. The reversal of 125321500 is 5123521.

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, 124822 + ... + 125821.

It is an arithmetic number, because the mean of its divisors is an integer number (11404302).

Almost surely, 2^125321500 is an apocalyptic number.

125321500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125321500 is an abundant number, since it is smaller than the sum of its proper divisors (148381748).

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

125321500 is a wasteful number, since it uses less digits than its factorization.

125321500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250662 (or 250650 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125321500 is about 11194.7085714636. The cubic root of 125321500 is about 500.4282996807.

The spelling of 125321500 in words is "one hundred twenty-five million, three hundred twenty-one thousand, five hundred".