120321013 has 4 divisors (see below), whose sum is σ = 124202368. Its totient is φ = 116439660.

The previous prime is 120321007. The next prime is 120321037. The reversal of 120321013 is 310123021.

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 120321013 - 2¹³ = 120312821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120320984 and 120321002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120321043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940631 + ... + 1940692.

It is an arithmetic number, because the mean of its divisors is an integer number (31050592).

Almost surely, 2^120321013 is an apocalyptic number.

It is an amenable number.

120321013 is a deficient number, since it is larger than the sum of its proper divisors (3881355).

120321013 is an equidigital number, since it uses as much as digits as its factorization.

120321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881354.

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

The square root of 120321013 is about 10969.0935359309. The cubic root of 120321013 is about 493.6818488856.

Adding to 120321013 its reverse (310123021), we get a palindrome (430444034).

The spelling of 120321013 in words is "one hundred twenty million, three hundred twenty-one thousand, thirteen".