1120430231 has 4 divisors (see below), whose sum is σ = 1146486792. Its totient is φ = 1094373672.

The previous prime is 1120430191. The next prime is 1120430279. The reversal of 1120430231 is 1320340211.

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 1120430231 - 2¹⁸ = 1120168087 is a prime.

It is a super-2 number, since 2×1120430231² = 2510727805077426722, 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 (1126430231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13028216 + ... + 13028301.

It is an arithmetic number, because the mean of its divisors is an integer number (286621698).

Almost surely, 2^1120430231 is an apocalyptic number.

1120430231 is a deficient number, since it is larger than the sum of its proper divisors (26056561).

1120430231 is an equidigital number, since it uses as much as digits as its factorization.

1120430231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26056560.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1120430231 is about 33472.8282491934. The cubic root of 1120430231 is about 1038.6317778668.

Adding to 1120430231 its reverse (1320340211), we get a palindrome (2440770442).

The spelling of 1120430231 in words is "one billion, one hundred twenty million, four hundred thirty thousand, two hundred thirty-one".