120043013 has 4 divisors (see below), whose sum is σ = 120166860. Its totient is φ = 119919168.

The previous prime is 120042997. The next prime is 120043051. The reversal of 120043013 is 310340021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 109139809 + 10903204 = 10447^2 + 3302^2 .

It is a cyclic number.

It is not a de Polignac number, because 120043013 - 2⁴ = 120042997 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 (120043073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60458 + ... + 62411.

It is an arithmetic number, because the mean of its divisors is an integer number (30041715).

Almost surely, 2^120043013 is an apocalyptic number.

It is an amenable number.

120043013 is a deficient number, since it is larger than the sum of its proper divisors (123847).

120043013 is an equidigital number, since it uses as much as digits as its factorization.

120043013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123846.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 120043013 is about 10956.4142400696. The cubic root of 120043013 is about 493.3013407039.

Adding to 120043013 its reverse (310340021), we get a palindrome (430383034).

The spelling of 120043013 in words is "one hundred twenty million, forty-three thousand, thirteen".