1181053198 has 8 divisors (see below), whose sum is σ = 1907855208. Its totient is φ = 545101464.

The previous prime is 1181053193. The next prime is 1181053199. The reversal of 1181053198 is 8913501811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181053193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22712536 + ... + 22712587.

It is an arithmetic number, because the mean of its divisors is an integer number (238481901).

Almost surely, 2^1181053198 is an apocalyptic number.

1181053198 is a deficient number, since it is larger than the sum of its proper divisors (726802010).

1181053198 is a wasteful number, since it uses less digits than its factorization.

1181053198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45425138.

The product of its (nonzero) digits is 8640, while the sum is 37.

The square root of 1181053198 is about 34366.4545450938. The cubic root of 1181053198 is about 1057.0361008356.

The spelling of 1181053198 in words is "one billion, one hundred eighty-one million, fifty-three thousand, one hundred ninety-eight".