1132243111 has 4 divisors (see below), whose sum is σ = 1133131032. Its totient is φ = 1131355192.

The previous prime is 1132243069. The next prime is 1132243121. The reversal of 1132243111 is 1113422311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1113422311 = 17581 ⋅63331.

It is a cyclic number.

It is not a de Polignac number, because 1132243111 - 2²⁹ = 595372199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132243121) 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, 442045 + ... + 444598.

It is an arithmetic number, because the mean of its divisors is an integer number (283282758).

Almost surely, 2^1132243111 is an apocalyptic number.

1132243111 is a deficient number, since it is larger than the sum of its proper divisors (887921).

1132243111 is an equidigital number, since it uses as much as digits as its factorization.

1132243111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887920.

The product of its digits is 144, while the sum is 19.

The square root of 1132243111 is about 33648.8203507939. The cubic root of 1132243111 is about 1042.2691795755.

Adding to 1132243111 its reverse (1113422311), we get a palindrome (2245665422).

The spelling of 1132243111 in words is "one billion, one hundred thirty-two million, two hundred forty-three thousand, one hundred eleven".