1128812 has 12 divisors (see below), whose sum is σ = 2023896. Its totient is φ = 550560.

The previous prime is 1128811. The next prime is 1128821. The reversal of 1128812 is 2188211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1128811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3278 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (168658).

2^1128812 is an apocalyptic number.

It is an amenable number.

1128812 is a deficient number, since it is larger than the sum of its proper divisors (895084).

1128812 is a wasteful number, since it uses less digits than its factorization.

1128812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928 (or 6926 counting only the distinct ones).

The product of its digits is 256, while the sum is 23.

The square root of 1128812 is about 1062.4556461331. The cubic root of 1128812 is about 104.1215295286.

The spelling of 1128812 in words is "one million, one hundred twenty-eight thousand, eight hundred twelve".