3403240121 has 2 divisors, whose sum is σ = 3403240122. Its totient is φ = 3403240120.

The previous prime is 3403240079. The next prime is 3403240123. The reversal of 3403240121 is 1210423043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1860714496 + 1542525625 = 43136^2 + 39275^2 .

It is a cyclic number.

It is not a de Polignac number, because 3403240121 - 2²⁶ = 3336131257 is a prime.

It is a Sophie Germain prime.

Together with 3403240123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3403240093 and 3403240102.

It is not a weakly prime, because it can be changed into another prime (3403240123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701620060 + 1701620061.

It is an arithmetic number, because the mean of its divisors is an integer number (1701620061).

Almost surely, 2^3403240121 is an apocalyptic number.

It is an amenable number.

3403240121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403240121 is an equidigital number, since it uses as much as digits as its factorization.

3403240121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3403240121 is about 58337.2961406337. The cubic root of 3403240121 is about 1504.1721065555.

Adding to 3403240121 its reverse (1210423043), we get a palindrome (4613663164).

The spelling of 3403240121 in words is "three billion, four hundred three million, two hundred forty thousand, one hundred twenty-one".