1197208957 has 16 divisors (see below), whose sum is σ = 1400758272. Its totient is φ = 1001896560.

The previous prime is 1197208937. The next prime is 1197209011. The reversal of 1197208957 is 7598027911.

It is not a de Polignac number, because 1197208957 - 2²⁷ = 1062991229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1197208957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1197208927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137578 + ... + 146020.

It is an arithmetic number, because the mean of its divisors is an integer number (87547392).

Almost surely, 2^1197208957 is an apocalyptic number.

It is an amenable number.

1197208957 is a deficient number, since it is larger than the sum of its proper divisors (203549315).

1197208957 is an equidigital number, since it uses as much as digits as its factorization.

1197208957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8928.

The product of its (nonzero) digits is 317520, while the sum is 49.

The square root of 1197208957 is about 34600.7074638655. The cubic root of 1197208957 is about 1061.8340613525.

The spelling of 1197208957 in words is "one billion, one hundred ninety-seven million, two hundred eight thousand, nine hundred fifty-seven".