125666750 has 32 divisors (see below), whose sum is σ = 256639968. Its totient is φ = 45696000.

The previous prime is 125666729. The next prime is 125666753. The reversal of 125666750 is 57666521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125666753) 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, 20099 + ... + 25598.

It is an arithmetic number, because the mean of its divisors is an integer number (8019999).

Almost surely, 2^125666750 is an apocalyptic number.

125666750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125666750 is an abundant number, since it is smaller than the sum of its proper divisors (130973218).

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

125666750 is a wasteful number, since it uses less digits than its factorization.

125666750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45725 (or 45715 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 125666750 is about 11210.1181974143. The cubic root of 125666750 is about 500.8874240254.

The spelling of 125666750 in words is "one hundred twenty-five million, six hundred sixty-six thousand, seven hundred fifty".