1133443 has 4 divisors (see below), whose sum is σ = 1141200. Its totient is φ = 1125688.

The previous prime is 1133387. The next prime is 1133459. The reversal of 1133443 is 3443311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3443311 = 43 ⋅80077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133443.

It is not an unprimeable number, because it can be changed into a prime (1133843) 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, 3655 + ... + 3952.

It is an arithmetic number, because the mean of its divisors is an integer number (285300).

2^1133443 is an apocalyptic number.

1133443 is a deficient number, since it is larger than the sum of its proper divisors (7757).

1133443 is an equidigital number, since it uses as much as digits as its factorization.

1133443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756.

The product of its digits is 432, while the sum is 19.

The square root of 1133443 is about 1064.6328005467. The cubic root of 1133443 is about 104.2637229451.

Adding to 1133443 its reverse (3443311), we get a palindrome (4576754).

The spelling of 1133443 in words is "one million, one hundred thirty-three thousand, four hundred forty-three".