Adding to 1020120 its reverse (210201), we get a palindrome (1230321).
It is a happy number.
1020120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is a congruent number.
It is an unprimeable number.
21020120 is an apocalyptic number.
1020120 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 pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020120 is a wasteful number, since it uses less digits than its factorization.
1020120 is an evil number, because the sum of its binary digits is even.
The square root of 1020120 is about 1010.0099009416. The cubic root of 1020120 is about 100.6662183413. Note that the first 3 decimals are identical.
The spelling of 1020120 in words is "one million, twenty thousand, one hundred twenty".