124538879 has 4 divisors (see below), whose sum is σ = 127435176. Its totient is φ = 121642584.

The previous prime is 124538833. The next prime is 124538893. The reversal of 124538879 is 978835421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124538879 - 2²⁰ = 123490303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124531879) 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, 1448084 + ... + 1448169.

It is an arithmetic number, because the mean of its divisors is an integer number (31858794).

Almost surely, 2^124538879 is an apocalyptic number.

124538879 is a deficient number, since it is larger than the sum of its proper divisors (2896297).

124538879 is an equidigital number, since it uses as much as digits as its factorization.

124538879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896296.

The product of its digits is 483840, while the sum is 47.

The square root of 124538879 is about 11159.6988758658. The cubic root of 124538879 is about 499.3844144198.

The spelling of 124538879 in words is "one hundred twenty-four million, five hundred thirty-eight thousand, eight hundred seventy-nine".