Adding to 1171272 its reverse (2721711), we get a palindrome (3892983).
It is a happy number.
It is an unprimeable number.
21171272 is an apocalyptic number.
1171272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1171272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1504800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1171272 is a wasteful number, since it uses less digits than its factorization.
1171272 is an odious number, because the sum of its binary digits is odd.
The square root of 1171272 is about 1082.2532051235. The cubic root of 1171272 is about 105.4109968639.
The spelling of 1171272 in words is "one million, one hundred seventy-one thousand, two hundred seventy-two".