6949121 has 2 divisors, whose sum is σ = 6949122. Its totient is φ = 6949120.

The previous prime is 6949097. The next prime is 6949127. The reversal of 6949121 is 1219496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 625 = 2636^2 + 25^2 .

It is a cyclic number.

It is not a de Polignac number, because 6949121 - 2⁶ = 6949057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6949127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3474560 + 3474561.

It is an arithmetic number, because the mean of its divisors is an integer number (3474561).

Almost surely, 2^6949121 is an apocalyptic number.

It is an amenable number.

6949121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6949121 is an equidigital number, since it uses as much as digits as its factorization.

6949121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 32.

The square root of 6949121 is about 2636.1185481689. The cubic root of 6949121 is about 190.8285240403.

The spelling of 6949121 in words is "six million, nine hundred forty-nine thousand, one hundred twenty-one".