125136750 has 32 divisors (see below), whose sum is σ = 312343200. Its totient is φ = 33369600.

The previous prime is 125136743. The next prime is 125136787. The reversal of 125136750 is 57631521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82675 + ... + 84174.

It is an arithmetic number, because the mean of its divisors is an integer number (9760725).

Almost surely, 2^125136750 is an apocalyptic number.

125136750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125136750 is an abundant number, since it is smaller than the sum of its proper divisors (187206450).

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

125136750 is a wasteful number, since it uses less digits than its factorization.

125136750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166869 (or 166859 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 125136750 is about 11186.4538617026. The cubic root of 125136750 is about 500.1822668828.

The spelling of 125136750 in words is "one hundred twenty-five million, one hundred thirty-six thousand, seven hundred fifty".