2008366121 has 2 divisors, whose sum is σ = 2008366122. Its totient is φ = 2008366120.

The previous prime is 2008366069. The next prime is 2008366123. The reversal of 2008366121 is 1216638002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1449705625 + 558660496 = 38075^2 + 23636^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008366121 - 2¹⁴ = 2008349737 is a prime.

It is a Sophie Germain prime.

Together with 2008366123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2008366123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004183060 + 1004183061.

It is an arithmetic number, because the mean of its divisors is an integer number (1004183061).

Almost surely, 2^2008366121 is an apocalyptic number.

It is an amenable number.

2008366121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008366121 is an equidigital number, since it uses as much as digits as its factorization.

2008366121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2008366121 is about 44814.7980136026. The cubic root of 2008366121 is about 1261.6753813315.

The spelling of 2008366121 in words is "two billion, eight million, three hundred sixty-six thousand, one hundred twenty-one".