Adding to 1100100 its reverse (10011), we get a palindrome (1110111).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
21100100 is an apocalyptic number.
1100100 is a gapful number since it is divisible by the number (10) 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 1100100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1100100 is a wasteful number, since it uses less digits than its factorization.
1100100 is an odious number, because the sum of its binary digits is odd.
The square root of 1100100 is about 1048.8565202162. The cubic root of 1100100 is about 103.2311395724.
The spelling of 1100100 in words is "one million, one hundred thousand, one hundred".