125457 has 16 divisors (see below), whose sum is σ = 184320. Its totient is φ = 75600.

The previous prime is 125453. The next prime is 125471. The reversal of 125457 is 754521.

It is not a de Polignac number, because 125457 - 2² = 125453 is a prime.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125457.

It is not an unprimeable number, because it can be changed into a prime (125453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1732 + ... + 1802.

It is an arithmetic number, because the mean of its divisors is an integer number (11520).

2¹²⁵⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

125457 is a deficient number, since it is larger than the sum of its proper divisors (58863).

125457 is a wasteful number, since it uses less digits than its factorization.

125457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124.

The product of its digits is 1400, while the sum is 24.

The square root of 125457 is about 354.1990965545. The cubic root of 125457 is about 50.0608592264.

Adding to 125457 its reverse (754521), we get a palindrome (879978).

The spelling of 125457 in words is "one hundred twenty-five thousand, four hundred fifty-seven".