1132231 has 4 divisors (see below), whose sum is σ = 1135000. Its totient is φ = 1129464.

The previous prime is 1132223. The next prime is 1132249. The reversal of 1132231 is 1322311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322311 = 17 ⋅77783.

It is a cyclic number.

It is not a de Polignac number, because 1132231 - 2³ = 1132223 is a prime.

It is a super-2 number, since 2×1132231² = 2563894074722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132291) 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, 636 + ... + 1633.

It is an arithmetic number, because the mean of its divisors is an integer number (283750).

2^1132231 is an apocalyptic number.

1132231 is a deficient number, since it is larger than the sum of its proper divisors (2769).

1132231 is an equidigital number, since it uses as much as digits as its factorization.

1132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2768.

The product of its digits is 36, while the sum is 13.

The square root of 1132231 is about 1064.0634379585. The cubic root of 1132231 is about 104.2265463363.

Adding to 1132231 its reverse (1322311), we get a palindrome (2454542).

The spelling of 1132231 in words is "one million, one hundred thirty-two thousand, two hundred thirty-one".