1133231 has 8 divisors (see below), whose sum is σ = 1254528.
Its totient is φ = 1015000.
The previous prime is 1133227. The next prime is 1133239. The reversal of 1133231 is 1323311.
Adding to 1133231 its reverse (1323311), we get a palindrome (2456542).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1133231 - 22 = 1133227 is a prime.
It is a super-2 number, since 2×11332312 = 2568424998722, which contains 22 as substring.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1133239) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 1506.
It is an arithmetic number, because the mean of its divisors is an integer number (156816).
21133231 is an apocalyptic number.
1133231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1133231 is a deficient number, since it is larger than the sum of its proper divisors (121297).
1133231 is a wasteful number, since it uses less digits than its factorization.
1133231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1533.
The product of its digits is 54, while the sum is 14.
The square root of 1133231 is about 1064.5332310454.
The cubic root of 1133231 is about 104.2572220190.
The spelling of 1133231 in words is "one million, one hundred thirty-three thousand, two hundred thirty-one".