124352013 has 4 divisors (see below), whose sum is σ = 165802688. Its totient is φ = 82901340.

The previous prime is 124352009. The next prime is 124352021. The reversal of 124352013 is 310253421.

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.

It is not a de Polignac number, because 124352013 - 2² = 124352009 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 (124352213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20725333 + ... + 20725338.

It is an arithmetic number, because the mean of its divisors is an integer number (41450672).

Almost surely, 2^124352013 is an apocalyptic number.

It is an amenable number.

124352013 is a deficient number, since it is larger than the sum of its proper divisors (41450675).

124352013 is an equidigital number, since it uses as much as digits as its factorization.

124352013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41450674.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 124352013 is about 11151.3233743803. The cubic root of 124352013 is about 499.1345200868.

The spelling of 124352013 in words is "one hundred twenty-four million, three hundred fifty-two thousand, thirteen".