3442121 has 2 divisors, whose sum is σ = 3442122. Its totient is φ = 3442120.

The previous prime is 3442091. The next prime is 3442123. The reversal of 3442121 is 1212443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2676496 + 765625 = 1636^2 + 875^2 .

It is an emirp because it is prime and its reverse (1212443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3442121 - 2¹⁸ = 3179977 is a prime.

It is a Sophie Germain prime.

Together with 3442123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3442121.

It is not a weakly prime, because it can be changed into another prime (3442123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721060 + 1721061.

It is an arithmetic number, because the mean of its divisors is an integer number (1721061).

Almost surely, 2^3442121 is an apocalyptic number.

It is an amenable number.

3442121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442121 is an equidigital number, since it uses as much as digits as its factorization.

3442121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 17.

The square root of 3442121 is about 1855.2953942701. The cubic root of 3442121 is about 150.9878650541.

Adding to 3442121 its reverse (1212443), we get a palindrome (4654564).

The spelling of 3442121 in words is "three million, four hundred forty-two thousand, one hundred twenty-one".