6844121 has 2 divisors, whose sum is σ = 6844122. Its totient is φ = 6844120.

The previous prime is 6844111. The next prime is 6844127. The reversal of 6844121 is 1214486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 290521 = 2560^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 6844121 - 2¹⁸ = 6581977 is a prime.

It is not a weakly prime, because it can be changed into another prime (6844127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3422060 + 3422061.

It is an arithmetic number, because the mean of its divisors is an integer number (3422061).

Almost surely, 2^6844121 is an apocalyptic number.

It is an amenable number.

6844121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6844121 is an equidigital number, since it uses as much as digits as its factorization.

6844121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 26.

The square root of 6844121 is about 2616.1270993589. The cubic root of 6844121 is about 189.8625136489.

The spelling of 6844121 in words is "six million, eight hundred forty-four thousand, one hundred twenty-one".