125245872 has 80 divisors (see below), whose sum is σ = 378448000. Its totient is φ = 39548736.

The previous prime is 125245843. The next prime is 125245909. The reversal of 125245872 is 278542521.

It is a happy number.

125245872 is a `hidden beast` number, since 12 + 524 + 58 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579 + ... + 15837.

It is an arithmetic number, because the mean of its divisors is an integer number (4730600).

Almost surely, 2^125245872 is an apocalyptic number.

125245872 is a gapful number since it is divisible by the number (12) 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 125245872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189224000).

125245872 is an abundant number, since it is smaller than the sum of its proper divisors (253202128).

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

125245872 is a wasteful number, since it uses less digits than its factorization.

125245872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15295 (or 15283 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 125245872 is about 11191.3302158412. The cubic root of 125245872 is about 500.3276146238.

The spelling of 125245872 in words is "one hundred twenty-five million, two hundred forty-five thousand, eight hundred seventy-two".