120322666 has 4 divisors (see below), whose sum is σ = 180484002. Its totient is φ = 60161332.

The previous prime is 120322663. The next prime is 120322669. The reversal of 120322666 is 666223021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (120322663) and next prime (120322669).

It can be written as a sum of positive squares in only one way, i.e., 95472441 + 24850225 = 9771^2 + 4985^2 .

It is not an unprimeable number, because it can be changed into a prime (120322663) 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, 30080665 + ... + 30080668.

Almost surely, 2^120322666 is an apocalyptic number.

120322666 is a deficient number, since it is larger than the sum of its proper divisors (60161336).

120322666 is an equidigital number, since it uses as much as digits as its factorization.

120322666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60161335.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 120322666 is about 10969.1688837396. The cubic root of 120322666 is about 493.6841096500.

Adding to 120322666 its reverse (666223021), we get a palindrome (786545687).

The spelling of 120322666 in words is "one hundred twenty million, three hundred twenty-two thousand, six hundred sixty-six".