Adding to 1122000 its reverse (2211), we get a palindrome (1124211).
It is a happy number.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a zygodrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 1122000.
It is a congruent number.
21122000 is an apocalyptic number.
1122000 is a gapful number since it is divisible by the number (10) 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 1122000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2089152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1122000 is a wasteful number, since it uses less digits than its factorization.
1122000 is an odious number, because the sum of its binary digits is odd.
The square root of 1122000 is about 1059.2450141492. The cubic root of 1122000 is about 103.9116606846.
The spelling of 1122000 in words is "one million, one hundred twenty-two thousand".