124020613 has 8 divisors (see below), whose sum is σ = 127284696. Its totient is φ = 120768000.

The previous prime is 124020607. The next prime is 124020641. The reversal of 124020613 is 316020421.

It can be written as a sum of positive squares in 4 ways, for example, as 5602689 + 118417924 = 2367^2 + 10882^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124020613 - 2⁹ = 124020101 is a prime.

It is a super-3 number, since 3×124020613³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124020653) 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, 21763 + ... + 26863.

It is an arithmetic number, because the mean of its divisors is an integer number (15910587).

Almost surely, 2^124020613 is an apocalyptic number.

It is an amenable number.

124020613 is a deficient number, since it is larger than the sum of its proper divisors (3264083).

124020613 is an equidigital number, since it uses as much as digits as its factorization.

124020613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5735.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 124020613 is about 11136.4542382214. The cubic root of 124020613 is about 498.6907252584.

The spelling of 124020613 in words is "one hundred twenty-four million, twenty thousand, six hundred thirteen".