1118128 has 20 divisors (see below), whose sum is σ = 2363688. Its totient is φ = 508160.

The previous prime is 1118123. The next prime is 1118137. The reversal of 1118128 is 8218111.

It is a Harshad number since it is a multiple of its sum of digits (22).

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

It is a junction number, because it is equal to n+sod(n) for n = 1118099 and 1118108.

It is not an unprimeable number, because it can be changed into a prime (1118123) 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, 3001 + ... + 3352.

2^1118128 is an apocalyptic number.

It is an amenable number.

1118128 is an abundant number, since it is smaller than the sum of its proper divisors (1245560).

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

1118128 is a wasteful number, since it uses less digits than its factorization.

1118128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6372 (or 6366 counting only the distinct ones).

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

The square root of 1118128 is about 1057.4157176816. The cubic root of 1118128 is about 103.7919905512.

The spelling of 1118128 in words is "one million, one hundred eighteen thousand, one hundred twenty-eight".