1133943 has 4 divisors (see below), whose sum is σ = 1511928. Its totient is φ = 755960.

The previous prime is 1133933. The next prime is 1133947. The reversal of 1133943 is 3493311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1133943 - 2⁵ = 1133911 is a prime.

It is a D-number.

1133943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133947) 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, 188988 + ... + 188993.

It is an arithmetic number, because the mean of its divisors is an integer number (377982).

2^1133943 is an apocalyptic number.

1133943 is a deficient number, since it is larger than the sum of its proper divisors (377985).

1133943 is an equidigital number, since it uses as much as digits as its factorization.

1133943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377984.

The product of its digits is 972, while the sum is 24.

The square root of 1133943 is about 1064.8675974035. The cubic root of 1133943 is about 104.2790521082.

It can be divided in two parts, 11 and 33943, that multiplied together give a palindrome (373373).

The spelling of 1133943 in words is "one million, one hundred thirty-three thousand, nine hundred forty-three".