1197646297 has 2 divisors, whose sum is σ = 1197646298. Its totient is φ = 1197646296.

The previous prime is 1197646237. The next prime is 1197646301. The reversal of 1197646297 is 7926467911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 925924041 + 271722256 = 30429^2 + 16484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1197646297 - 2⁷ = 1197646169 is a prime.

It is not a weakly prime, because it can be changed into another prime (1197646217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598823148 + 598823149.

It is an arithmetic number, because the mean of its divisors is an integer number (598823149).

Almost surely, 2^1197646297 is an apocalyptic number.

It is an amenable number.

1197646297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1197646297 is an equidigital number, since it uses as much as digits as its factorization.

1197646297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 52.

The square root of 1197646297 is about 34607.0266997903. The cubic root of 1197646297 is about 1061.9633414782.

The spelling of 1197646297 in words is "one billion, one hundred ninety-seven million, six hundred forty-six thousand, two hundred ninety-seven".