1128118 has 4 divisors (see below), whose sum is σ = 1692180. Its totient is φ = 564058.

The previous prime is 1128109. The next prime is 1128143. The reversal of 1128118 is 8118211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282028 + ... + 282031.

It is an arithmetic number, because the mean of its divisors is an integer number (423045).

2^1128118 is an apocalyptic number.

1128118 is a deficient number, since it is larger than the sum of its proper divisors (564062).

1128118 is an equidigital number, since it uses as much as digits as its factorization.

1128118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564061.

The product of its digits is 128, while the sum is 22.

The square root of 1128118 is about 1062.1289940492. The cubic root of 1128118 is about 104.1001869858.

The spelling of 1128118 in words is "one million, one hundred twenty-eight thousand, one hundred eighteen".