124979159 has 4 divisors (see below), whose sum is σ = 126485016. Its totient is φ = 123473304.

The previous prime is 124979149. The next prime is 124979191. The reversal of 124979159 is 951979421.

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 124979159 - 2¹² = 124975063 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 (124979149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752804 + ... + 752969.

It is an arithmetic number, because the mean of its divisors is an integer number (31621254).

Almost surely, 2^124979159 is an apocalyptic number.

124979159 is a deficient number, since it is larger than the sum of its proper divisors (1505857).

124979159 is an equidigital number, since it uses as much as digits as its factorization.

124979159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505856.

The product of its digits is 204120, while the sum is 47.

The square root of 124979159 is about 11179.4078107921. The cubic root of 124979159 is about 499.9722104555.

It can be divided in two parts, 1249 and 79159, that added together give a palindrome (80408).

The spelling of 124979159 in words is "one hundred twenty-four million, nine hundred seventy-nine thousand, one hundred fifty-nine".