320061121 has 2 divisors, whose sum is σ = 320061122. Its totient is φ = 320061120.

The previous prime is 320061109. The next prime is 320061167. The reversal of 320061121 is 121160023.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213744400 + 106316721 = 14620^2 + 10311^2 .

It is an emirp because it is prime and its reverse (121160023) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 320061121 - 2¹¹ = 320059073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 320061095 and 320061104.

It is not a weakly prime, because it can be changed into another prime (320062121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160030560 + 160030561.

It is an arithmetic number, because the mean of its divisors is an integer number (160030561).

Almost surely, 2^320061121 is an apocalyptic number.

It is an amenable number.

320061121 is a deficient number, since it is larger than the sum of its proper divisors (1).

320061121 is an equidigital number, since it uses as much as digits as its factorization.

320061121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 320061121 is about 17890.2521223151. The cubic root of 320061121 is about 684.0339239983.

The spelling of 320061121 in words is "three hundred twenty million, sixty-one thousand, one hundred twenty-one".