125931500 has 48 divisors (see below), whose sum is σ = 281788416. Its totient is φ = 49136000.

The previous prime is 125931499. The next prime is 125931503. The reversal of 125931500 is 5139521.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125931500.

It is not an unprimeable number, because it can be changed into a prime (125931503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17429 + ... + 23571.

It is an arithmetic number, because the mean of its divisors is an integer number (5870592).

Almost surely, 2^125931500 is an apocalyptic number.

125931500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125931500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140894208).

125931500 is an abundant number, since it is smaller than the sum of its proper divisors (155856916).

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

125931500 is a wasteful number, since it uses less digits than its factorization.

125931500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203 (or 6191 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 125931500 is about 11221.9205129960. The cubic root of 125931500 is about 501.2389275813.

The spelling of 125931500 in words is "one hundred twenty-five million, nine hundred thirty-one thousand, five hundred".