1128218 has 16 divisors (see below), whose sum is σ = 2083200. Its totient is φ = 446256.

The previous prime is 1128209. The next prime is 1128223. The reversal of 1128218 is 8128211.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1128193 and 1128202.

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, 2918 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (130200).

2^1128218 is an apocalyptic number.

1128218 is a deficient number, since it is larger than the sum of its proper divisors (954982).

1128218 is a wasteful number, since it uses less digits than its factorization.

1128218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221.

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

The square root of 1128218 is about 1062.1760682674. The cubic root of 1128218 is about 104.1032628198.

The spelling of 1128218 in words is "one million, one hundred twenty-eight thousand, two hundred eighteen".