1280 is nontrivially palindromic in base 12, base 14 and base 15.
1280 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.
1280 is an undulating number in base 12, base 14 and base 15.
It is a nialpdrome in base 4, base 6, base 11, base 13 and base 16.
It is a zygodrome in base 4.
It is a congruent number.
In principle, a polygon with 1280 sides can be constructed with ruler and compass.
21280 is an apocalyptic number.
1280 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 1280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1280 is an frugal number, since it uses more digits than its factorization.
1280 is an evil number, because the sum of its binary digits is even.
The square root of 1280 is about 35.7770876400. Note that the first 3 decimals coincide. The cubic root of 1280 is about 10.8576704664.
Adding to 1280 its product of nonzero digits (16), we get a 4-th power (1296 = 64).
The spelling of 1280 in words is "one thousand, two hundred eighty".