125318751 has 8 divisors (see below), whose sum is σ = 167185200. Its totient is φ = 83499072.

The previous prime is 125318731. The next prime is 125318777. The reversal of 125318751 is 157813521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125318751 - 2⁵ = 125318719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125318731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4870 + ... + 16563.

It is an arithmetic number, because the mean of its divisors is an integer number (20898150).

Almost surely, 2^125318751 is an apocalyptic number.

125318751 is a deficient number, since it is larger than the sum of its proper divisors (41866449).

125318751 is a wasteful number, since it uses less digits than its factorization.

125318751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23385.

The product of its digits is 8400, while the sum is 33.

The square root of 125318751 is about 11194.5857895681. The cubic root of 125318751 is about 500.4246405920.

The spelling of 125318751 in words is "one hundred twenty-five million, three hundred eighteen thousand, seven hundred fifty-one".