It is a happy number.
It is a tau number, because it is divible by the number of its divisors (120).
It is a nialpdrome in base 12.
It is a congruent number.
It is an unprimeable number.
22103120 is an apocalyptic number.
2103120 is a gapful number since it is divisible by the number (20) 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 2103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2103120 is a wasteful number, since it uses less digits than its factorization.
2103120 is an odious number, because the sum of its binary digits is odd.
The square root of 2103120 is about 1450.2137773446. The cubic root of 2103120 is about 128.1213042757.
Adding to 2103120 its reverse (213012), we get a palindrome (2316132).
The spelling of 2103120 in words is "two million, one hundred three thousand, one hundred twenty".