124040013 has 8 divisors (see below), whose sum is σ = 165617088. Its totient is φ = 82578144.

The previous prime is 124040009. The next prime is 124040027. The reversal of 124040013 is 310040421.

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

It is not a de Polignac number, because 124040013 - 2² = 124040009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124039974 and 124040001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124040093) 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, 26256 + ... + 30617.

It is an arithmetic number, because the mean of its divisors is an integer number (20702136).

Almost surely, 2^124040013 is an apocalyptic number.

It is an amenable number.

124040013 is a deficient number, since it is larger than the sum of its proper divisors (41577075).

124040013 is an equidigital number, since it uses as much as digits as its factorization.

124040013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57603.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 124040013 is about 11137.3252174838. The cubic root of 124040013 is about 498.7167265696.

Adding to 124040013 its reverse (310040421), we get a palindrome (434080434).

The spelling of 124040013 in words is "one hundred twenty-four million, forty thousand, thirteen".