Hecho general: 71257 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 71257 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 71257 is an uninteresting number.
Fecha histórica: February 3rd is the day in 1972 that the first day of the seven-day 1972 Iran blizzard, which would kill at least 4,000 people, making it the deadliest snowstorm in history.