120319321 has 2 divisors, whose sum is σ = 120319322. Its totient is φ = 120319320.

The previous prime is 120319273. The next prime is 120319327. The reversal of 120319321 is 123913021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62726400 + 57592921 = 7920^2 + 7589^2 .

It is a cyclic number.

It is not a de Polignac number, because 120319321 - 2⁷ = 120319193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120319292 and 120319301.

It is not a weakly prime, because it can be changed into another prime (120319327) 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 as a sum of consecutive naturals, namely, 60159660 + 60159661.

It is an arithmetic number, because the mean of its divisors is an integer number (60159661).

Almost surely, 2^120319321 is an apocalyptic number.

It is an amenable number.

120319321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120319321 is an equidigital number, since it uses as much as digits as its factorization.

120319321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 120319321 is about 10969.0164098701. The cubic root of 120319321 is about 493.6795347606.

The spelling of 120319321 in words is "one hundred twenty million, three hundred nineteen thousand, three hundred twenty-one".