124042713 has 4 divisors (see below), whose sum is σ = 165390288. Its totient is φ = 82695140.

The previous prime is 124042691. The next prime is 124042733. The reversal of 124042713 is 317240421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 317240421 = 3 ⋅105746807.

It is a cyclic number.

It is not a de Polignac number, because 124042713 - 2¹⁰ = 124041689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124042733) 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, 20673783 + ... + 20673788.

It is an arithmetic number, because the mean of its divisors is an integer number (41347572).

Almost surely, 2^124042713 is an apocalyptic number.

It is an amenable number.

124042713 is a deficient number, since it is larger than the sum of its proper divisors (41347575).

124042713 is an equidigital number, since it uses as much as digits as its factorization.

124042713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41347574.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 124042713 is about 11137.4464308476. The cubic root of 124042713 is about 498.7203450939.

The spelling of 124042713 in words is "one hundred twenty-four million, forty-two thousand, seven hundred thirteen".