1112731 has 2 divisors, whose sum is σ = 1112732. Its totient is φ = 1112730.

The previous prime is 1112729. The next prime is 1112737. The reversal of 1112731 is 1372111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1112731 - 2¹ = 1112729 is a prime.

It is a super-2 number, since 2×1112731² = 2476340556722, which contains 22 as substring.

Together with 1112729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1112737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556365 + 556366.

It is an arithmetic number, because the mean of its divisors is an integer number (556366).

2^1112731 is an apocalyptic number.

1112731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112731 is an equidigital number, since it uses as much as digits as its factorization.

1112731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42, while the sum is 16.

The square root of 1112731 is about 1054.8606543046. The cubic root of 1112731 is about 103.6247261385.

Adding to 1112731 its reverse (1372111), we get a palindrome (2484842).

It can be divided in two parts, 11 and 12731, that multiplied together give a palindrome (140041).

The spelling of 1112731 in words is "one million, one hundred twelve thousand, seven hundred thirty-one".