120330321 has 4 divisors (see below), whose sum is σ = 160440432. Its totient is φ = 80220212.

The previous prime is 120330317. The next prime is 120330359. The reversal of 120330321 is 123033021.

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 120330321 - 2² = 120330317 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120330321.

It is not an unprimeable number, because it can be changed into a prime (120330311) 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, 20055051 + ... + 20055056.

It is an arithmetic number, because the mean of its divisors is an integer number (40110108).

Almost surely, 2^120330321 is an apocalyptic number.

It is an amenable number.

120330321 is a deficient number, since it is larger than the sum of its proper divisors (40110111).

120330321 is an equidigital number, since it uses as much as digits as its factorization.

120330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40110110.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 120330321 is about 10969.5178107335. The cubic root of 120330321 is about 493.6945789208.

Adding to 120330321 its reverse (123033021), we get a palindrome (243363342).

The spelling of 120330321 in words is "one hundred twenty million, three hundred thirty thousand, three hundred twenty-one".