6607121 has 2 divisors, whose sum is σ = 6607122. Its totient is φ = 6607120.

The previous prime is 6607063. The next prime is 6607151. The reversal of 6607121 is 1217066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6558721 + 48400 = 2561^2 + 220^2 .

It is a cyclic number.

It is not a de Polignac number, because 6607121 - 2¹⁰ = 6606097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6607151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3303560 + 3303561.

It is an arithmetic number, because the mean of its divisors is an integer number (3303561).

Almost surely, 2^6607121 is an apocalyptic number.

It is an amenable number.

6607121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6607121 is an equidigital number, since it uses as much as digits as its factorization.

6607121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 6607121 is about 2570.4320648482. The cubic root of 6607121 is about 187.6451829619.

The spelling of 6607121 in words is "six million, six hundred seven thousand, one hundred twenty-one".