1132312144 has 20 divisors (see below), whose sum is σ = 2309321440. Its totient is φ = 536358240.

The previous prime is 1132312141. The next prime is 1132312151. The reversal of 1132312144 is 4412132311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132312141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862052 + ... + 1862659.

It is an arithmetic number, because the mean of its divisors is an integer number (115466072).

Almost surely, 2^1132312144 is an apocalyptic number.

It is an amenable number.

1132312144 is an abundant number, since it is smaller than the sum of its proper divisors (1177009296).

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

1132312144 is a wasteful number, since it uses less digits than its factorization.

1132312144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724738 (or 3724732 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 1132312144 is about 33649.8461214907. The cubic root of 1132312144 is about 1042.2903615712.

Adding to 1132312144 its reverse (4412132311), we get a palindrome (5544444455).

The spelling of 1132312144 in words is "one billion, one hundred thirty-two million, three hundred twelve thousand, one hundred forty-four".