120757321 has 2 divisors, whose sum is σ = 120757322. Its totient is φ = 120757320.

The previous prime is 120757309. The next prime is 120757367. The reversal of 120757321 is 123757021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67831696 + 52925625 = 8236^2 + 7275^2 .

It is a cyclic number.

It is not a de Polignac number, because 120757321 - 2⁹ = 120756809 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120757321.

It is not a weakly prime, because it can be changed into another prime (120751321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60378660 + 60378661.

It is an arithmetic number, because the mean of its divisors is an integer number (60378661).

Almost surely, 2^120757321 is an apocalyptic number.

It is an amenable number.

120757321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120757321 is an equidigital number, since it uses as much as digits as its factorization.

120757321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 120757321 is about 10988.9635999033. The cubic root of 120757321 is about 494.2778586767.

The spelling of 120757321 in words is "one hundred twenty million, seven hundred fifty-seven thousand, three hundred twenty-one".