3117490121 has 2 divisors, whose sum is σ = 3117490122. Its totient is φ = 3117490120.

The previous prime is 3117490091. The next prime is 3117490177. The reversal of 3117490121 is 1210947113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2057076025 + 1060414096 = 45355^2 + 32564^2 .

It is a cyclic number.

It is not a de Polignac number, because 3117490121 - 2²² = 3113295817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3117490421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558745060 + 1558745061.

It is an arithmetic number, because the mean of its divisors is an integer number (1558745061).

Almost surely, 2^3117490121 is an apocalyptic number.

It is an amenable number.

3117490121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3117490121 is an equidigital number, since it uses as much as digits as its factorization.

3117490121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 3117490121 is about 55834.4886338184. The cubic root of 3117490121 is about 1460.8367819979.

The spelling of 3117490121 in words is "three billion, one hundred seventeen million, four hundred ninety thousand, one hundred twenty-one".