1100231 has 8 divisors (see below), whose sum is σ = 1242000. Its totient is φ = 965440.

The previous prime is 1100219. The next prime is 1100243. The reversal of 1100231 is 1320011.

It is an interprime number because it is at equal distance from previous prime (1100219) and next prime (1100243).

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 1100231 - 2⁶ = 1100167 is a prime.

It is a super-2 number, since 2×1100231² = 2421016506722, 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 (1100261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (155250).

2^1100231 is an apocalyptic number.

1100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1100231 is a deficient number, since it is larger than the sum of its proper divisors (141769).

1100231 is a wasteful number, since it uses less digits than its factorization.

1100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1100231 is about 1048.9189673183. The cubic root of 1100231 is about 103.2352370007.

Adding to 1100231 its reverse (1320011), we get a palindrome (2420242).

It can be divided in two parts, 1100 and 231, that added together give a palindrome (1331).

The spelling of 1100231 in words is "one million, one hundred thousand, two hundred thirty-one".