125502720 has 432 divisors, whose sum is σ = 503314560. Its totient is φ = 26492928.

The previous prime is 125502703. The next prime is 125502731. The reversal of 125502720 is 27205521.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4327666 + ... + 4327694.

It is an arithmetic number, because the mean of its divisors is an integer number (1165080).

Almost surely, 2^125502720 is an apocalyptic number.

125502720 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 125502720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251657280).

125502720 is an abundant number, since it is smaller than the sum of its proper divisors (377811840).

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

125502720 is a wasteful number, since it uses less digits than its factorization.

125502720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 125502720 is about 11202.7996500875. The cubic root of 125502720 is about 500.6693967494.

The spelling of 125502720 in words is "one hundred twenty-five million, five hundred two thousand, seven hundred twenty".