125387500 has 72 divisors (see below), whose sum is σ = 313667424. Its totient is φ = 42960000.

The previous prime is 125387497. The next prime is 125387573. The reversal of 125387500 is 5783521.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86784 + ... + 88216.

It is an arithmetic number, because the mean of its divisors is an integer number (4356492).

Almost surely, 2^125387500 is an apocalyptic number.

125387500 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 125387500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156833712).

125387500 is an abundant number, since it is smaller than the sum of its proper divisors (188279924).

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

125387500 is an equidigital number, since it uses as much as digits as its factorization.

125387500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469 (or 1447 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 125387500 is about 11197.6560047181. The cubic root of 125387500 is about 500.5161336954.

The spelling of 125387500 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, five hundred".