1112881 has 16 divisors (see below), whose sum is σ = 1411200. Its totient is φ = 852480.

The previous prime is 1112857. The next prime is 1112897. The reversal of 1112881 is 1882111.

It is a cyclic number.

It is not a de Polignac number, because 1112881 - 2⁹ = 1112369 is a prime.

It is a super-2 number, since 2×1112881² = 2477008240322, which contains 22 as substring.

1112881 is a lucky number.

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 (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7395 + ... + 7543.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

2^1112881 is an apocalyptic number.

1112881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1112881 is a deficient number, since it is larger than the sum of its proper divisors (298319).

1112881 is a wasteful number, since it uses less digits than its factorization.

1112881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its digits is 128, while the sum is 22.

The square root of 1112881 is about 1054.9317513470. The cubic root of 1112881 is about 103.6293822535.

Adding to 1112881 its reverse (1882111), we get a palindrome (2994992).

It can be divided in two parts, 111 and 2881, that added together give a palindrome (2992).

The spelling of 1112881 in words is "one million, one hundred twelve thousand, eight hundred eighty-one".