It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
21281168 is an apocalyptic number.
1281168 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 1281168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2166528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1281168 is a wasteful number, since it uses less digits than its factorization.
1281168 is an evil number, because the sum of its binary digits is even.
The square root of 1281168 is about 1131.8869201471. The cubic root of 1281168 is about 108.6097200380.
Adding to 1281168 its reverse (8611821), we get a palindrome (9892989).
The spelling of 1281168 in words is "one million, two hundred eighty-one thousand, one hundred sixty-eight".