1102231 has 4 divisors (see below), whose sum is σ = 1187032. Its totient is φ = 1017432.

The previous prime is 1102201. The next prime is 1102237. The reversal of 1102231 is 1322011.

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

It is not a de Polignac number, because 1102231 - 2¹⁵ = 1069463 is a prime.

It is a super-2 number, since 2×1102231² = 2429826354722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102237) 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, 42381 + ... + 42406.

It is an arithmetic number, because the mean of its divisors is an integer number (296758).

2^1102231 is an apocalyptic number.

1102231 is a deficient number, since it is larger than the sum of its proper divisors (84801).

1102231 is an equidigital number, since it uses as much as digits as its factorization.

1102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84800.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1102231 is about 1049.8718969474. The cubic root of 1102231 is about 103.2977528096.

Adding to 1102231 its reverse (1322011), we get a palindrome (2424242).

It can be divided in two parts, 110223 and 1, that added together give a square (110224 = 332²).

The spelling of 1102231 in words is "one million, one hundred two thousand, two hundred thirty-one".