It is a self number, because there is not a number n which added to its sum of digits gives 2120552.
22120552 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2120552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2392800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120552 is a wasteful number, since it uses less digits than its factorization.
2120552 is an odious number, because the sum of its binary digits is odd.
The square root of 2120552 is about 1456.2115230968. The cubic root of 2120552 is about 128.4743144369.
Adding to 2120552 its reverse (2550212), we get a palindrome (4670764).
The spelling of 2120552 in words is "two million, one hundred twenty thousand, five hundred fifty-two".