125863257 has 36 divisors (see below), whose sum is σ = 193262640. Its totient is φ = 72813312.

The previous prime is 125863229. The next prime is 125863259. The reversal of 125863257 is 752368521.

It is a de Polignac number, because none of the positive numbers 2^k-125863257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (125863259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 146094 + ... + 146952.

Almost surely, 2^125863257 is an apocalyptic number.

125863257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

125863257 is a deficient number, since it is larger than the sum of its proper divisors (67399383).

125863257 is a wasteful number, since it uses less digits than its factorization.

125863257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 892 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 125863257 is about 11218.8794895034. The cubic root of 125863257 is about 501.1483698077.

The spelling of 125863257 in words is "one hundred twenty-five million, eight hundred sixty-three thousand, two hundred fifty-seven".