1193811198 has 16 divisors (see below), whose sum is σ = 2409937920. Its totient is φ = 394217816.

The previous prime is 1193811197. The next prime is 1193811259. The reversal of 1193811198 is 8911183911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193811191) 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, 929118 + ... + 930401.

It is an arithmetic number, because the mean of its divisors is an integer number (150621120).

Almost surely, 2^1193811198 is an apocalyptic number.

1193811198 is an abundant number, since it is smaller than the sum of its proper divisors (1216126722).

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

1193811198 is a wasteful number, since it uses less digits than its factorization.

1193811198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859631.

The product of its digits is 15552, while the sum is 42.

The square root of 1193811198 is about 34551.5730177368. The cubic root of 1193811198 is about 1060.8285908868.

The spelling of 1193811198 in words is "one billion, one hundred ninety-three million, eight hundred eleven thousand, one hundred ninety-eight".