1195199198 has 16 divisors (see below), whose sum is σ = 1833473664. Its totient is φ = 584177880.

The previous prime is 1195199183. The next prime is 1195199219. The reversal of 1195199198 is 8919915911.

It is a super-2 number, since 2×1195199198² = 2857002245799686408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16490 + ... + 51597.

It is an arithmetic number, because the mean of its divisors is an integer number (114592104).

Almost surely, 2^1195199198 is an apocalyptic number.

1195199198 is a deficient number, since it is larger than the sum of its proper divisors (638274466).

1195199198 is a wasteful number, since it uses less digits than its factorization.

1195199198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68287.

The product of its digits is 262440, while the sum is 53.

The square root of 1195199198 is about 34571.6530990348. The cubic root of 1195199198 is about 1061.2395603400.

The spelling of 1195199198 in words is "one billion, one hundred ninety-five million, one hundred ninety-nine thousand, one hundred ninety-eight".