1120231 has 4 divisors (see below), whose sum is σ = 1280272. Its totient is φ = 960192.

The previous prime is 1120219. The next prime is 1120237. The reversal of 1120231 is 1320211.

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 1120231 - 2¹⁹ = 595943 is a prime.

It is a super-2 number, since 2×1120231² = 2509834986722, which contains 22 as substring.

1120231 is a modest number, since divided by 231 gives 112 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120237) 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, 80010 + ... + 80023.

It is an arithmetic number, because the mean of its divisors is an integer number (320068).

2^1120231 is an apocalyptic number.

1120231 is a deficient number, since it is larger than the sum of its proper divisors (160041).

1120231 is an equidigital number, since it uses as much as digits as its factorization.

1120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160040.

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

The square root of 1120231 is about 1058.4096560406. The cubic root of 1120231 is about 103.8570212256.

Adding to 1120231 its reverse (1320211), we get a palindrome (2440442).

The spelling of 1120231 in words is "one million, one hundred twenty thousand, two hundred thirty-one".