1297169 has 2 divisors, whose sum is σ = 1297170. Its totient is φ = 1297168.

The previous prime is 1297157. The next prime is 1297171. The reversal of 1297169 is 9617921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1181569 + 115600 = 1087^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1297169 - 2²⁰ = 248593 is a prime.

It is a super-2 number, since 2×1297169² = 3365294829122, which contains 22 as substring.

Together with 1297171, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1297129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648584 + 648585.

It is an arithmetic number, because the mean of its divisors is an integer number (648585).

2^1297169 is an apocalyptic number.

It is an amenable number.

1297169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1297169 is an equidigital number, since it uses as much as digits as its factorization.

1297169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 35.

The square root of 1297169 is about 1138.9332728479. The cubic root of 1297169 is about 109.0600067984.

The spelling of 1297169 in words is "one million, two hundred ninety-seven thousand, one hundred sixty-nine".