124490979 has 8 divisors (see below), whose sum is σ = 184431120. Its totient is φ = 82993968.

The previous prime is 124490959. The next prime is 124490981. The reversal of 124490979 is 979094421.

It is a happy number.

It is not a de Polignac number, because 124490979 - 2¹² = 124486883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124490929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2305362 + ... + 2305415.

It is an arithmetic number, because the mean of its divisors is an integer number (23053890).

Almost surely, 2^124490979 is an apocalyptic number.

124490979 is a deficient number, since it is larger than the sum of its proper divisors (59940141).

124490979 is an equidigital number, since it uses as much as digits as its factorization.

124490979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610786 (or 4610780 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 124490979 is about 11157.5525542119. The cubic root of 124490979 is about 499.3203819906.

The spelling of 124490979 in words is "one hundred twenty-four million, four hundred ninety thousand, nine hundred seventy-nine".