120013321 has 4 divisors (see below), whose sum is σ = 120074500. Its totient is φ = 119952144.

The previous prime is 120013261. The next prime is 120013337. The reversal of 120013321 is 123310021.

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 119137225 + 876096 = 10915^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 120013321 - 2⁷ = 120013193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120011321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27546 + ... + 31603.

It is an arithmetic number, because the mean of its divisors is an integer number (30018625).

Almost surely, 2^120013321 is an apocalyptic number.

It is an amenable number.

120013321 is a deficient number, since it is larger than the sum of its proper divisors (61179).

120013321 is an equidigital number, since it uses as much as digits as its factorization.

120013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61178.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 120013321 is about 10955.0591509129. The cubic root of 120013321 is about 493.2606655303.

Adding to 120013321 its reverse (123310021), we get a palindrome (243323342).

The spelling of 120013321 in words is "one hundred twenty million, thirteen thousand, three hundred twenty-one".