124319479 has 4 divisors (see below), whose sum is σ = 124944400. Its totient is φ = 123694560.

The previous prime is 124319471. The next prime is 124319483. The reversal of 124319479 is 974913421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 974913421 = 1523 ⋅640127.

It is a cyclic number.

It is not a de Polignac number, because 124319479 - 2³ = 124319471 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 (124319471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312162 + ... + 312559.

It is an arithmetic number, because the mean of its divisors is an integer number (31236100).

Almost surely, 2^124319479 is an apocalyptic number.

124319479 is a deficient number, since it is larger than the sum of its proper divisors (624921).

124319479 is an equidigital number, since it uses as much as digits as its factorization.

124319479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624920.

The product of its digits is 54432, while the sum is 40.

The square root of 124319479 is about 11149.8645283250. The cubic root of 124319479 is about 499.0909870591.

The spelling of 124319479 in words is "one hundred twenty-four million, three hundred nineteen thousand, four hundred seventy-nine".