10308121 has 2 divisors, whose sum is σ = 10308122. Its totient is φ = 10308120.

The previous prime is 10308061. The next prime is 10308143. The reversal of 10308121 is 12180301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10240000 + 68121 = 3200^2 + 261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10308121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10308095 and 10308104.

It is not a weakly prime, because it can be changed into another prime (10303121) 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, 5154060 + 5154061.

It is an arithmetic number, because the mean of its divisors is an integer number (5154061).

Almost surely, 2^10308121 is an apocalyptic number.

It is an amenable number.

10308121 is a deficient number, since it is larger than the sum of its proper divisors (1).

10308121 is an equidigital number, since it uses as much as digits as its factorization.

10308121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 10308121 is about 3210.6262628964. The cubic root of 10308121 is about 217.6338789094.

Adding to 10308121 its reverse (12180301), we get a palindrome (22488422).

The spelling of 10308121 in words is "ten million, three hundred eight thousand, one hundred twenty-one".