1112128 has 14 divisors (see below), whose sum is σ = 2207006. Its totient is φ = 556032.

The previous prime is 1112113. The next prime is 1112129. The reversal of 1112128 is 8212111.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 419904 = 832^2 + 648^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is not an unprimeable number, because it can be changed into a prime (1112129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8625 + ... + 8752.

2^1112128 is an apocalyptic number.

It is an amenable number.

1112128 is a deficient number, since it is larger than the sum of its proper divisors (1094878).

1112128 is an equidigital number, since it uses as much as digits as its factorization.

1112128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17389 (or 17379 counting only the distinct ones).

The product of its digits is 32, while the sum is 16.

The square root of 1112128 is about 1054.5747958301. The cubic root of 1112128 is about 103.6060043329.

Adding to 1112128 its reverse (8212111), we get a palindrome (9324239).

The spelling of 1112128 in words is "one million, one hundred twelve thousand, one hundred twenty-eight".