Fatto generale: 128 is the atomic number of unbioctium, an element yet to be discovered.
Fatto matematico: 128 is the largest number which is not the sum of distinct squares.
Trivia: 128 is the bytes of memory of the Atari 2600 console.
Data storica: May 7th is the day in 1999 that Pope John Paul II travels to Romania becoming the first pope to visit a predominantly Eastern Orthodox country since the Great Schism in 1054.