The number 126 is an integer that follows 125 and precedes 127. It is an even number, meaning it is divisible by 2. In mathematics, 126 can be factored into 2 × 3 × 21 or 2 × 9 × 7. In terms of its significance, 126 is often used in various contexts, such as in mathematics, science, and even in sports statistics. For example, in Roman numerals, 126 is represented as CXXVI. Additionally, it is the atomic number of the element unbihexium, which is a theoretical element in the periodic table.