1116018 has 30 divisors (see below), whose sum is σ = 2531199. Its totient is φ = 367524.

The previous prime is 1116001. The next prime is 1116053. The reversal of 1116018 is 8106111.

It can be written as a sum of positive squares in only one way, i.e., 558009 + 558009 = 747^2 + 747^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=747.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13405 + ... + 13487.

2^1116018 is an apocalyptic number.

1116018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116018

1116018 is an abundant number, since it is smaller than the sum of its proper divisors (1415181).

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

1116018 is an frugal number, since it uses more digits than its factorization.

1116018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 1116018 is about 1056.4175310927. The cubic root of 1116018 is about 103.7266614170.

Multiplying 1116018 by its sum of digits (18), we get a square (20088324 = 4482²).

1116018 divided by its sum of digits (18) gives a square (62001 = 249²).

The spelling of 1116018 in words is "one million, one hundred sixteen thousand, eighteen".