125600720 has 90 divisors (see below), whose sum is σ = 341607042. Its totient is φ = 42822528.

The previous prime is 125600707. The next prime is 125600731. The reversal of 125600720 is 27006521.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 25120144 = 10024^2 + 5012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 701591 + ... + 701769.

Almost surely, 2^125600720 is an apocalyptic number.

125600720 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 125600720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170803521).

125600720 is an abundant number, since it is smaller than the sum of its proper divisors (216006322).

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

125600720 is an equidigital number, since it uses as much as digits as its factorization.

125600720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 125600720 is about 11207.1727032289. The cubic root of 125600720 is about 500.7996803409.

The spelling of 125600720 in words is "one hundred twenty-five million, six hundred thousand, seven hundred twenty".