1132112345 has 16 divisors (see below), whose sum is σ = 1672043520. Its totient is φ = 716589504.

The previous prime is 1132112341. The next prime is 1132112357. The reversal of 1132112345 is 5432112311.

It is a cyclic number.

It is not a de Polignac number, because 1132112345 - 2² = 1132112341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1132112345.

It is not an unprimeable number, because it can be changed into a prime (1132112341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243625 + ... + 1244534.

It is an arithmetic number, because the mean of its divisors is an integer number (104502720).

Almost surely, 2^1132112345 is an apocalyptic number.

It is an amenable number.

1132112345 is a deficient number, since it is larger than the sum of its proper divisors (539931175).

1132112345 is a wasteful number, since it uses less digits than its factorization.

1132112345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488184.

The product of its digits is 720, while the sum is 23.

The square root of 1132112345 is about 33646.8771953654. The cubic root of 1132112345 is about 1042.2290531464.

Adding to 1132112345 its reverse (5432112311), we get a palindrome (6564224656).

The spelling of 1132112345 in words is "one billion, one hundred thirty-two million, one hundred twelve thousand, three hundred forty-five".