1197871296 has 56 divisors (see below), whose sum is σ = 3243096384. Its totient is φ = 390001920.

The previous prime is 1197871273. The next prime is 1197871307. The reversal of 1197871296 is 6921787911.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64290 + ... + 80801.

Almost surely, 2^1197871296 is an apocalyptic number.

1197871296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1197871296 is an abundant number, since it is smaller than the sum of its proper divisors (2045225088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1197871296 is a wasteful number, since it uses less digits than its factorization.

1197871296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145149 (or 145139 counting only the distinct ones).

The product of its digits is 381024, while the sum is 51.

The square root of 1197871296 is about 34610.2773175830. The cubic root of 1197871296 is about 1062.0298401679.

The spelling of 1197871296 in words is "one billion, one hundred ninety-seven million, eight hundred seventy-one thousand, two hundred ninety-six".