124230013 has 8 divisors (see below), whose sum is σ = 126357368. Its totient is φ = 122114304.

The previous prime is 124229983. The next prime is 124230031. The reversal of 124230013 is 310032421.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1397124 + 122832889 = 1182^2 + 11083^2 .

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 124230013 - 2²¹ = 122132861 is a prime.

It is a super-2 number, since 2×124230013² = 30866192259960338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124230083) 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, 20131 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (15794671).

Almost surely, 2^124230013 is an apocalyptic number.

It is an amenable number.

124230013 is a deficient number, since it is larger than the sum of its proper divisors (2127355).

124230013 is an equidigital number, since it uses as much as digits as its factorization.

124230013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 124230013 is about 11145.8518292681. The cubic root of 124230013 is about 498.9712354052.

Adding to 124230013 its reverse (310032421), we get a palindrome (434262434).

The spelling of 124230013 in words is "one hundred twenty-four million, two hundred thirty thousand, thirteen".