1131442112 has 14 divisors (see below), whose sum is σ = 2245205568. Its totient is φ = 565721024.

The previous prime is 1131442093. The next prime is 1131442133. The reversal of 1131442112 is 2112441311.

It is a super-2 number, since 2×1131442112² = 2560322505614041088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8839328 + ... + 8839455.

Almost surely, 2^1131442112 is an apocalyptic number.

It is an amenable number.

1131442112 is a deficient number, since it is larger than the sum of its proper divisors (1113763456).

1131442112 is an equidigital number, since it uses as much as digits as its factorization.

1131442112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17678795 (or 17678785 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 1131442112 is about 33636.9159109452. The cubic root of 1131442112 is about 1042.0233391103.

Adding to 1131442112 its reverse (2112441311), we get a palindrome (3243883423).

The spelling of 1131442112 in words is "one billion, one hundred thirty-one million, four hundred forty-two thousand, one hundred twelve".