120322009 has 2 divisors, whose sum is σ = 120322010. Its totient is φ = 120322008.

The previous prime is 120321991. The next prime is 120322043. The reversal of 120322009 is 900223021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90782784 + 29539225 = 9528^2 + 5435^2 .

It is a cyclic number.

It is not a de Polignac number, because 120322009 - 2⁹ = 120321497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120322099) 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 as a sum of consecutive naturals, namely, 60161004 + 60161005.

It is an arithmetic number, because the mean of its divisors is an integer number (60161005).

Almost surely, 2^120322009 is an apocalyptic number.

It is an amenable number.

120322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

120322009 is an equidigital number, since it uses as much as digits as its factorization.

120322009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 120322009 is about 10969.1389361244. The cubic root of 120322009 is about 493.6832110909.

It can be divided in two parts, 12032 and 2009, that added together give a palindrome (14041).

The spelling of 120322009 in words is "one hundred twenty million, three hundred twenty-two thousand, nine".