-126 is an even number.
-126 is a Harshad number, which means it is divisible by the sum of its digits (1 + 2 + 6 = 9, and -126 is divisible by 9).
In binary, -126 is represented as 1111111111111111111111111111111111111111111111111111111110000010.
In hex, -126 is represented as ffffffffffffff82.