1125112198 has 16 divisors (see below), whose sum is σ = 1935634464. Its totient is φ = 480473280.

The previous prime is 1125112193. The next prime is 1125112211. The reversal of 1125112198 is 8912115211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125112193) 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, 139065 + ... + 146932.

It is an arithmetic number, because the mean of its divisors is an integer number (120977154).

Almost surely, 2^1125112198 is an apocalyptic number.

1125112198 is a deficient number, since it is larger than the sum of its proper divisors (810522266).

1125112198 is a wasteful number, since it uses less digits than its factorization.

1125112198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286287.

The product of its digits is 1440, while the sum is 31.

The square root of 1125112198 is about 33542.6921698304. The cubic root of 1125112198 is about 1040.0764853758.

The spelling of 1125112198 in words is "one billion, one hundred twenty-five million, one hundred twelve thousand, one hundred ninety-eight".