1093231 has 4 divisors (see below), whose sum is σ = 1113912. Its totient is φ = 1072552.

The previous prime is 1093223. The next prime is 1093237. The reversal of 1093231 is 1323901.

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 1093231 - 2³ = 1093223 is a prime.

It is a super-2 number, since 2×1093231² = 2390308038722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1093199 and 1093208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093237) 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, 10261 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (278478).

2^1093231 is an apocalyptic number.

1093231 is a deficient number, since it is larger than the sum of its proper divisors (20681).

1093231 is an equidigital number, since it uses as much as digits as its factorization.

1093231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20680.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1093231 is about 1045.5768742661. The cubic root of 1093231 is about 103.0158331773.

The spelling of 1093231 in words is "one million, ninety-three thousand, two hundred thirty-one".