It is a happy number.
It is a tau number, because it is divible by the number of its divisors (24).
It is a congruent number.
It is an unprimeable number.
21142112 is an apocalyptic number.
1142112 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142112 is a wasteful number, since it uses less digits than its factorization.
1142112 is an odious number, because the sum of its binary digits is odd.
The square root of 1142112 is about 1068.6964021648. The cubic root of 1142112 is about 104.5288642289.
Adding to 1142112 its reverse (2112411), we get a palindrome (3254523).
Subtracting 1142112 from its reverse (2112411), we obtain a cube (970299 = 993).
The spelling of 1142112 in words is "one million, one hundred forty-two thousand, one hundred twelve".