1118273112 has 48 divisors (see below), whose sum is σ = 3303991080. Its totient is φ = 338870400.

The previous prime is 1118273077. The next prime is 1118273159. The reversal of 1118273112 is 2113728111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 705189 + ... + 706772.

Almost surely, 2^1118273112 is an apocalyptic number.

1118273112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1118273112 is an abundant number, since it is smaller than the sum of its proper divisors (2185717968).

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

1118273112 is a wasteful number, since it uses less digits than its factorization.

1118273112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411984 (or 1411977 counting only the distinct ones).

The product of its digits is 672, while the sum is 27.

The square root of 1118273112 is about 33440.5907842550. The cubic root of 1118273112 is about 1037.9648044021.

The spelling of 1118273112 in words is "one billion, one hundred eighteen million, two hundred seventy-three thousand, one hundred twelve".