1112811 has 16 divisors (see below), whose sum is σ = 1785600. Its totient is φ = 602208.

The previous prime is 1112789. The next prime is 1112821. The reversal of 1112811 is 1182111.

It is not a de Polignac number, because 1112811 - 2⁵ = 1112779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112821) 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 15 ways as a sum of consecutive naturals, for example, 996 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (111600).

2^1112811 is an apocalyptic number.

1112811 is a deficient number, since it is larger than the sum of its proper divisors (672789).

1112811 is a wasteful number, since it uses less digits than its factorization.

1112811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818.

The product of its digits is 16, while the sum is 15.

The square root of 1112811 is about 1054.8985733235. The cubic root of 1112811 is about 103.6272094519.

Adding to 1112811 its reverse (1182111), we get a palindrome (2294922).

The spelling of 1112811 in words is "one million, one hundred twelve thousand, eight hundred eleven".