1121136112 has 40 divisors (see below), whose sum is σ = 2257886736. Its totient is φ = 538822656.

The previous prime is 1121136109. The next prime is 1121136209. The reversal of 1121136112 is 2116311211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121136112.

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, 37728 + ... + 60544.

Almost surely, 2^1121136112 is an apocalyptic number.

It is an amenable number.

1121136112 is an abundant number, since it is smaller than the sum of its proper divisors (1136750624).

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

1121136112 is a wasteful number, since it uses less digits than its factorization.

1121136112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22945 (or 22939 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

The square root of 1121136112 is about 33483.3706785921. The cubic root of 1121136112 is about 1038.8498478271.

Adding to 1121136112 its reverse (2116311211), we get a palindrome (3237447323).

The spelling of 1121136112 in words is "one billion, one hundred twenty-one million, one hundred thirty-six thousand, one hundred twelve".