1112831 has 2 divisors, whose sum is σ = 1112832. Its totient is φ = 1112830.

The previous prime is 1112827. The next prime is 1112833. The reversal of 1112831 is 1382111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112831 - 2² = 1112827 is a prime.

It is a super-2 number, since 2×1112831² = 2476785669122, which contains 22 as substring.

Together with 1112833, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556415 + 556416.

It is an arithmetic number, because the mean of its divisors is an integer number (556416).

2^1112831 is an apocalyptic number.

1112831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112831 is an equidigital number, since it uses as much as digits as its factorization.

1112831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48, while the sum is 17.

The square root of 1112831 is about 1054.9080528653. The cubic root of 1112831 is about 103.6278302617.

Adding to 1112831 its reverse (1382111), we get a palindrome (2494942).

It can be divided in two parts, 11 and 12831, that multiplied together give a palindrome (141141).

The spelling of 1112831 in words is "one million, one hundred twelve thousand, eight hundred thirty-one".