125751357 has 6 divisors (see below), whose sum is σ = 181640862. Its totient is φ = 83834232.

The previous prime is 125751349. The next prime is 125751383. The reversal of 125751357 is 753157521.

It is a happy number.

125751357 is a `hidden beast` number, since 1 + 257 + 51 + 357 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111957561 + 13793796 = 10581^2 + 3714^2 .

It is not a de Polignac number, because 125751357 - 2³ = 125751349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125751257) 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 5 ways as a sum of consecutive naturals, for example, 6986178 + ... + 6986195.

It is an arithmetic number, because the mean of its divisors is an integer number (30273477).

Almost surely, 2^125751357 is an apocalyptic number.

It is an amenable number.

125751357 is a deficient number, since it is larger than the sum of its proper divisors (55889505).

125751357 is a wasteful number, since it uses less digits than its factorization.

125751357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13972379 (or 13972376 counting only the distinct ones).

The product of its digits is 36750, while the sum is 36.

The square root of 125751357 is about 11213.8912514791. The cubic root of 125751357 is about 500.9998087656. Note that the first 3 decimals are identical.

The spelling of 125751357 in words is "one hundred twenty-five million, seven hundred fifty-one thousand, three hundred fifty-seven".