125857377 has 6 divisors (see below), whose sum is σ = 181794002. Its totient is φ = 83904912.

The previous prime is 125857339. The next prime is 125857397. The reversal of 125857377 is 773758521.

125857377 is a `hidden beast` number, since 1 + 2 + 5 + 8 + 573 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 1846881 = 11136^2 + 1359^2 .

It is not a de Polignac number, because 125857377 - 2¹⁴ = 125840993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125857397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6992068 + ... + 6992085.

Almost surely, 2^125857377 is an apocalyptic number.

It is an amenable number.

125857377 is a deficient number, since it is larger than the sum of its proper divisors (55936625).

125857377 is a wasteful number, since it uses less digits than its factorization.

125857377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13984159 (or 13984156 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 125857377 is about 11218.6174281861. The cubic root of 125857377 is about 501.1405655753.

The spelling of 125857377 in words is "one hundred twenty-five million, eight hundred fifty-seven thousand, three hundred seventy-seven".