124024542442513 has 4 divisors (see below), whose sum is σ = 124785429206128. Its totient is φ = 123263655678900.

The previous prime is 124024542442511. The next prime is 124024542442609. The reversal of 124024542442513 is 315244245420421.

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 a cyclic number.

It is not a de Polignac number, because 124024542442513 - 2¹ = 124024542442511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124024542442513.

It is not an unprimeable number, because it can be changed into a prime (124024542442511) 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, 380443381563 + ... + 380443381888.

It is an arithmetic number, because the mean of its divisors is an integer number (31196357301532).

Almost surely, 2^{124024542442513} is an apocalyptic number.

It is an amenable number.

124024542442513 is a deficient number, since it is larger than the sum of its proper divisors (760886763615).

124024542442513 is an equidigital number, since it uses as much as digits as its factorization.

124024542442513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760886763614.

The product of its (nonzero) digits is 1228800, while the sum is 43.

Adding to 124024542442513 its reverse (315244245420421), we get a palindrome (439268787862934).

The spelling of 124024542442513 in words is "one hundred twenty-four trillion, twenty-four billion, five hundred forty-two million, four hundred forty-two thousand, five hundred thirteen".