2308121 has 2 divisors, whose sum is σ = 2308122. Its totient is φ = 2308120.

The previous prime is 2308109. The next prime is 2308151. The reversal of 2308121 is 1218032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2175625 + 132496 = 1475^2 + 364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2308121 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 2308121.

It is not a weakly prime, because it can be changed into another prime (2308151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1154060 + 1154061.

It is an arithmetic number, because the mean of its divisors is an integer number (1154061).

2^2308121 is an apocalyptic number.

It is an amenable number.

2308121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2308121 is an equidigital number, since it uses as much as digits as its factorization.

2308121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2308121 is about 1519.2501439855. The cubic root of 2308121 is about 132.1557886680.

The spelling of 2308121 in words is "two million, three hundred eight thousand, one hundred twenty-one".