1131233 has 4 divisors (see below), whose sum is σ = 1134000. Its totient is φ = 1128468.

The previous prime is 1131223. The next prime is 1131239. The reversal of 1131233 is 3321311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1131233 - 2⁴ = 1131217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1131239) 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, 635 + ... + 1632.

It is an arithmetic number, because the mean of its divisors is an integer number (283500).

2^1131233 is an apocalyptic number.

It is an amenable number.

1131233 is a deficient number, since it is larger than the sum of its proper divisors (2767).

1131233 is an equidigital number, since it uses as much as digits as its factorization.

1131233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766.

The product of its digits is 54, while the sum is 14.

The square root of 1131233 is about 1063.5943775707. The cubic root of 1131233 is about 104.1959139918.

Adding to 1131233 its reverse (3321311), we get a palindrome (4452544).

The spelling of 1131233 in words is "one million, one hundred thirty-one thousand, two hundred thirty-three".