Fatto generale: 1172 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 1172 is the number of subsets of {1,2,3,...,14} that have a sum divisible by 14.
Trivia: 1172 is an unremarkable number.
Data storica: March 17th is the day in 1973 that the Pulitzer Prize-winning photograph Burst of Joy is taken, depicting a former prisoner of war being reunited with his family.