1110121198 has 8 divisors (see below), whose sum is σ = 1669463640. Its totient is φ = 553633320.

The previous prime is 1110121163. The next prime is 1110121237. The reversal of 1110121198 is 8911210111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712668 + ... + 714223.

It is an arithmetic number, because the mean of its divisors is an integer number (208682955).

Almost surely, 2^1110121198 is an apocalyptic number.

1110121198 is a deficient number, since it is larger than the sum of its proper divisors (559342442).

1110121198 is a wasteful number, since it uses less digits than its factorization.

1110121198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427282.

The product of its (nonzero) digits is 144, while the sum is 25.

The square root of 1110121198 is about 33318.4813279357. The cubic root of 1110121198 is about 1035.4364882404.

The spelling of 1110121198 in words is "one billion, one hundred ten million, one hundred twenty-one thousand, one hundred ninety-eight".