1193221968 has 40 divisors (see below), whose sum is σ = 3216514368. Its totient is φ = 380447232.

The previous prime is 1193221963. The next prime is 1193221969. The reversal of 1193221968 is 8691223911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193221963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539305 + ... + 541512.

Almost surely, 2^1193221968 is an apocalyptic number.

It is an amenable number.

1193221968 is an abundant number, since it is smaller than the sum of its proper divisors (2023292400).

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

1193221968 is a wasteful number, since it uses less digits than its factorization.

1193221968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080851 (or 1080845 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 1193221968 is about 34543.0451465993. The cubic root of 1193221968 is about 1060.6540309288.

The spelling of 1193221968 in words is "one billion, one hundred ninety-three million, two hundred twenty-one thousand, nine hundred sixty-eight".