1112887 has 4 divisors (see below), whose sum is σ = 1171480. Its totient is φ = 1054296.

The previous prime is 1112857. The next prime is 1112897. The reversal of 1112887 is 7882111.

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 1112887 - 2¹¹ = 1110839 is a prime.

It is a Duffinian number.

1112887 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112827) 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 3 ways as a sum of consecutive naturals, for example, 29268 + ... + 29305.

It is an arithmetic number, because the mean of its divisors is an integer number (292870).

2^1112887 is an apocalyptic number.

1112887 is a deficient number, since it is larger than the sum of its proper divisors (58593).

1112887 is an equidigital number, since it uses as much as digits as its factorization.

1112887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58592.

The product of its digits is 896, while the sum is 28.

The square root of 1112887 is about 1054.9345951290. The cubic root of 1112887 is about 103.6295684894.

Adding to 1112887 its reverse (7882111), we get a palindrome (8994998).

It can be divided in two parts, 11128 and 87, that multiplied together give a triangular number (968136 = T₁₃₉₁).

The spelling of 1112887 in words is "one million, one hundred twelve thousand, eight hundred eighty-seven".