1123132112 has 20 divisors (see below), whose sum is σ = 2176589856. Its totient is φ = 561431520.

The previous prime is 1123132079. The next prime is 1123132121. The reversal of 1123132112 is 2112313211.

It is a super-2 number, since 2×1123132112² = 2522851482011161088, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 118493 + ... + 127619.

Almost surely, 2^1123132112 is an apocalyptic number.

It is an amenable number.

1123132112 is a deficient number, since it is larger than the sum of its proper divisors (1053457744).

1123132112 is an equidigital number, since it uses as much as digits as its factorization.

1123132112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16826 (or 16820 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 1123132112 is about 33513.1632646040. The cubic root of 1123132112 is about 1039.4659832377.

Adding to 1123132112 its reverse (2112313211), we get a palindrome (3235445323).

It can be divided in two parts, 112313211 and 2, that multiplied together give a palindrome (224626422).

The spelling of 1123132112 in words is "one billion, one hundred twenty-three million, one hundred thirty-two thousand, one hundred twelve".