Fatto generale: 126 is the seventh magic number in nuclear physics (2, 8, 20, 28, 50, 82, 126).
Fatto matematico: 126 is a pentagonal pyramidal number, and a decagonal number as well as a pentatope number.
Trivia: 126 is the number of years that Gilgamesh reigned according to the Sumerian king list.
Data storica: May 5th is the day in 1809 that Mary Kies becomes the first woman awarded a U.S. patent, for a technique of weaving straw with silk and thread.