124957 has 4 divisors (see below), whose sum is σ = 142816. Its totient is φ = 107100.

The previous prime is 124951. The next prime is 124979. The reversal of 124957 is 759421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 759421 = 13 ⋅58417.

It is not a de Polignac number, because 124957 - 2¹⁵ = 92189 is a prime.

It is a super-3 number, since 3×124957³ = 5853330204886479, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8919 + ... + 8932.

It is an arithmetic number, because the mean of its divisors is an integer number (35704).

2¹²⁴⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

124957 is a deficient number, since it is larger than the sum of its proper divisors (17859).

124957 is an equidigital number, since it uses as much as digits as its factorization.

124957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858.

The product of its digits is 2520, while the sum is 28.

The square root of 124957 is about 353.4925741794. The cubic root of 124957 is about 49.9942660091.

It can be divided in two parts, 124 and 957, that added together give a triangular number (1081 = T₄₆).

The spelling of 124957 in words is "one hundred twenty-four thousand, nine hundred fifty-seven".