1131132112 has 40 divisors (see below), whose sum is σ = 2421095040. Its totient is φ = 507636480.

The previous prime is 1131132083. The next prime is 1131132113. The reversal of 1131132112 is 2112311311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131132113) 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, 26773 + ... + 54580.

It is an arithmetic number, because the mean of its divisors is an integer number (60527376).

Almost surely, 2^1131132112 is an apocalyptic number.

It is an amenable number.

1131132112 is an abundant number, since it is smaller than the sum of its proper divisors (1289962928).

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

1131132112 is a wasteful number, since it uses less digits than its factorization.

1131132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81451 (or 81445 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 1131132112 is about 33632.3075628182. The cubic root of 1131132112 is about 1041.9281635999.

Adding to 1131132112 its reverse (2112311311), we get a palindrome (3243443423).

The spelling of 1131132112 in words is "one billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred twelve".