1118288 has 20 divisors (see below), whose sum is σ = 2226420. Its totient is φ = 543744.

The previous prime is 1118267. The next prime is 1118291. The reversal of 1118288 is 8828111.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 322624 = 892^2 + 568^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1118288.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 1536.

It is an arithmetic number, because the mean of its divisors is an integer number (111321).

2^1118288 is an apocalyptic number.

It is an amenable number.

1118288 is a deficient number, since it is larger than the sum of its proper divisors (1108132).

1118288 is a wasteful number, since it uses less digits than its factorization.

1118288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1928 counting only the distinct ones).

The product of its digits is 1024, while the sum is 29.

The square root of 1118288 is about 1057.4913711232. The cubic root of 1118288 is about 103.7969410657.

The spelling of 1118288 in words is "one million, one hundred eighteen thousand, two hundred eighty-eight".