120565321 has 2 divisors, whose sum is σ = 120565322. Its totient is φ = 120565320.

The previous prime is 120565273. The next prime is 120565373. The reversal of 120565321 is 123565021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 881721 = 10940^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 120565321 - 2⁹ = 120564809 is a prime.

It is not a weakly prime, because it can be changed into another prime (120565021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60282660 + 60282661.

It is an arithmetic number, because the mean of its divisors is an integer number (60282661).

Almost surely, 2^120565321 is an apocalyptic number.

It is an amenable number.

120565321 is a deficient number, since it is larger than the sum of its proper divisors (1).

120565321 is an equidigital number, since it uses as much as digits as its factorization.

120565321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 120565321 is about 10980.2240869665. The cubic root of 120565321 is about 494.0157581012.

The spelling of 120565321 in words is "one hundred twenty million, five hundred sixty-five thousand, three hundred twenty-one".