1120255431 has 4 divisors (see below), whose sum is σ = 1493673912. Its totient is φ = 746836952.

The previous prime is 1120255429. The next prime is 1120255519. The reversal of 1120255431 is 1345520211.

It is a happy number.

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 1120255431 - 2¹ = 1120255429 is a prime.

It is a super-2 number, since 2×1120255431² = 2509944461369991522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120255421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186709236 + ... + 186709241.

It is an arithmetic number, because the mean of its divisors is an integer number (373418478).

Almost surely, 2^1120255431 is an apocalyptic number.

1120255431 is a deficient number, since it is larger than the sum of its proper divisors (373418481).

1120255431 is an equidigital number, since it uses as much as digits as its factorization.

1120255431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373418480.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1120255431 is about 33470.2170742886. The cubic root of 1120255431 is about 1038.5777622241.

Adding to 1120255431 its reverse (1345520211), we get a palindrome (2465775642).

The spelling of 1120255431 in words is "one billion, one hundred twenty million, two hundred fifty-five thousand, four hundred thirty-one".