124243613 has 16 divisors (see below), whose sum is σ = 136745280. Its totient is φ = 112191744.

The previous prime is 124243601. The next prime is 124243619. The reversal of 124243613 is 316342421.

It is a cyclic number.

It is not a de Polignac number, because 124243613 - 2⁴ = 124243597 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 (124243619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121418 + ... + 122436.

It is an arithmetic number, because the mean of its divisors is an integer number (8546580).

Almost surely, 2^124243613 is an apocalyptic number.

124243613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

124243613 is a deficient number, since it is larger than the sum of its proper divisors (12501667).

124243613 is a wasteful number, since it uses less digits than its factorization.

124243613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228.

The product of its digits is 3456, while the sum is 26.

The square root of 124243613 is about 11146.4619050172. The cubic root of 124243613 is about 498.9894429248.

The spelling of 124243613 in words is "one hundred twenty-four million, two hundred forty-three thousand, six hundred thirteen".