1197168894 has 24 divisors (see below), whose sum is σ = 2683310760. Its totient is φ = 385295568.

The previous prime is 1197168877. The next prime is 1197168901. The reversal of 1197168894 is 4988617911.

It is a super-2 number, since 2×1197168894² = 2866426721522366472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1197168894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146192 + ... + 1147235.

It is an arithmetic number, because the mean of its divisors is an integer number (111804615).

Almost surely, 2^1197168894 is an apocalyptic number.

1197168894 is an abundant number, since it is smaller than the sum of its proper divisors (1486141866).

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

1197168894 is a wasteful number, since it uses less digits than its factorization.

1197168894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293464 (or 2293461 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The square root of 1197168894 is about 34600.1285257728. The cubic root of 1197168894 is about 1061.8222169338.

The spelling of 1197168894 in words is "one billion, one hundred ninety-seven million, one hundred sixty-eight thousand, eight hundred ninety-four".