124403013 has 80 divisors (see below), whose sum is σ = 228561600. Its totient is φ = 66679200.

The previous prime is 124402981. The next prime is 124403017. The reversal of 124403013 is 310304421.

It is not a de Polignac number, because 124403013 - 2⁵ = 124402981 is a prime.

It is a super-2 number, since 2×124403013² = 30952219286956338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124403017) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1231663 + ... + 1231763.

It is an arithmetic number, because the mean of its divisors is an integer number (2857020).

Almost surely, 2^124403013 is an apocalyptic number.

It is an amenable number.

124403013 is a deficient number, since it is larger than the sum of its proper divisors (104158587).

124403013 is an equidigital number, since it uses as much as digits as its factorization.

124403013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 124403013 is about 11153.6098640754. The cubic root of 124403013 is about 499.2027467836.

Adding to 124403013 its reverse (310304421), we get a palindrome (434707434).

The spelling of 124403013 in words is "one hundred twenty-four million, four hundred three thousand, thirteen".