Adding to 1000188 its reverse (8810001), we get a palindrome (9810189).
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (84).
It is a self number, because there is not a number n which added to its sum of digits gives 1000188.
It is a congruent number.
21000188 is an apocalyptic number.
1000188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1000188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1530200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1000188 is an frugal number, since it uses more digits than its factorization.
1000188 is an evil number, because the sum of its binary digits is even.
The square root of 1000188 is about 1000.0939955824. The cubic root of 1000188 is about 100.0062662740.
The spelling of 1000188 in words is "one million, one hundred eighty-eight", and thus it is an aban number.