124400331039 has 4 divisors (see below), whose sum is σ = 165867108056. Its totient is φ = 82933554024.

The previous prime is 124400331007. The next prime is 124400331049. The reversal of 124400331039 is 930133004421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124400331039 - 2⁵ = 124400331007 is a prime.

It is a super-2 number, since 2×124400331039² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124400330997 and 124400331015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124400331049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20733388504 + ... + 20733388509.

It is an arithmetic number, because the mean of its divisors is an integer number (41466777014).

Almost surely, 2^124400331039 is an apocalyptic number.

124400331039 is a deficient number, since it is larger than the sum of its proper divisors (41466777017).

124400331039 is an equidigital number, since it uses as much as digits as its factorization.

124400331039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41466777016.

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 124400331039 in words is "one hundred twenty-four billion, four hundred million, three hundred thirty-one thousand, thirty-nine".