1111128 has 32 divisors (see below), whose sum is σ = 2823360. Its totient is φ = 364320.

The previous prime is 1111091. The next prime is 1111151. The reversal of 1111128 is 8211111.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1263 + ... + 1953.

It is an arithmetic number, because the mean of its divisors is an integer number (88230).

2^1111128 is an apocalyptic number.

It is an amenable number.

1111128 is an abundant number, since it is smaller than the sum of its proper divisors (1712232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111128 is a wasteful number, since it uses less digits than its factorization.

1111128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 763 counting only the distinct ones).

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

The square root of 1111128 is about 1054.1005644624. The cubic root of 1111128 is about 103.5749416395.

Adding to 1111128 its reverse (8211111), we get a palindrome (9322239).

The spelling of 1111128 in words is "one million, one hundred eleven thousand, one hundred twenty-eight".