1131130112 has 54 divisors (see below), whose sum is σ = 2626498098. Its totient is φ = 484764672.

The previous prime is 1131130061. The next prime is 1131130151. The reversal of 1131130112 is 2110311311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1113957376 + 17172736 = 33376^2 + 4144^2 .

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32543 + ... + 57630.

Almost surely, 2^1131130112 is an apocalyptic number.

It is an amenable number.

1131130112 is an abundant number, since it is smaller than the sum of its proper divisors (1495367986).

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

1131130112 is an frugal number, since it uses more digits than its factorization.

1131130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90203 (or 90182 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

The square root of 1131130112 is about 33632.2778294899. The cubic root of 1131130112 is about 1041.9275495079.

Adding to 1131130112 its reverse (2110311311), we get a palindrome (3241441423).

The spelling of 1131130112 in words is "one billion, one hundred thirty-one million, one hundred thirty thousand, one hundred twelve".