2008121 has 2 divisors, whose sum is σ = 2008122. Its totient is φ = 2008120.

The previous prime is 2008103. The next prime is 2008141. The reversal of 2008121 is 1218002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1795600 + 212521 = 1340^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 2008121 - 2¹⁰ = 2007097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2008096 and 2008105.

It is not a weakly prime, because it can be changed into another prime (2008141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1004060 + 1004061.

It is an arithmetic number, because the mean of its divisors is an integer number (1004061).

2^2008121 is an apocalyptic number.

It is an amenable number.

2008121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2008121 is an equidigital number, since it uses as much as digits as its factorization.

2008121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 2008121 is about 1417.0818607265. The cubic root of 2008121 is about 126.1624050101.

It can be divided in two parts, 20081 and 21, that added together give a palindrome (20102).

The spelling of 2008121 in words is "two million, eight thousand, one hundred twenty-one".