124768979 has 4 divisors (see below), whose sum is σ = 124979976. Its totient is φ = 124557984.

The previous prime is 124768957. The next prime is 124769023. The reversal of 124768979 is 979867421.

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 124768979 - 2¹² = 124764883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124768979.

It is not an unprimeable number, because it can be changed into a prime (124768949) 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, 104609 + ... + 105794.

It is an arithmetic number, because the mean of its divisors is an integer number (31244994).

Almost surely, 2^124768979 is an apocalyptic number.

124768979 is a deficient number, since it is larger than the sum of its proper divisors (210997).

124768979 is an equidigital number, since it uses as much as digits as its factorization.

124768979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210996.

The product of its digits is 1524096, while the sum is 53.

The square root of 124768979 is about 11170.0035362573. The cubic root of 124768979 is about 499.6917820424.

The spelling of 124768979 in words is "one hundred twenty-four million, seven hundred sixty-eight thousand, nine hundred seventy-nine".