120424013999 has 4 divisors (see below), whose sum is σ = 120444995880. Its totient is φ = 120403032120.

The previous prime is 120424013987. The next prime is 120424014059. The reversal of 120424013999 is 999310424021.

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

It is a cyclic number.

It is not a de Polignac number, because 120424013999 - 2¹² = 120424009903 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 (120424013599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10482329 + ... + 10493810.

It is an arithmetic number, because the mean of its divisors is an integer number (30111248970).

Almost surely, 2^120424013999 is an apocalyptic number.

120424013999 is a deficient number, since it is larger than the sum of its proper divisors (20981881).

120424013999 is an equidigital number, since it uses as much as digits as its factorization.

120424013999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20981880.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 120424013999 in words is "one hundred twenty billion, four hundred twenty-four million, thirteen thousand, nine hundred ninety-nine".