6775121 has 2 divisors, whose sum is σ = 6775122. Its totient is φ = 6775120.

The previous prime is 6775117. The next prime is 6775157. The reversal of 6775121 is 1215776.

6775121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6076225 + 698896 = 2465^2 + 836^2 .

It is a cyclic number.

It is not a de Polignac number, because 6775121 - 2² = 6775117 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6775721) 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, 3387560 + 3387561.

It is an arithmetic number, because the mean of its divisors is an integer number (3387561).

Almost surely, 2^6775121 is an apocalyptic number.

It is an amenable number.

6775121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6775121 is an equidigital number, since it uses as much as digits as its factorization.

6775121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 6775121 is about 2602.9062603175. The cubic root of 6775121 is about 189.2223152168. Note that the first 3 decimals are identical.

The spelling of 6775121 in words is "six million, seven hundred seventy-five thousand, one hundred twenty-one".