Adding to 120100 its reverse (1021), we get a palindrome (121121).
120100 is nontrivially palindromic in base 7.
120100 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.
120100 is an undulating number in base 7.
It is a self number, because there is not a number n which added to its sum of digits gives 120100.
It is a congruent number.
2120100 is an apocalyptic number.
120100 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.
120100 is a wasteful number, since it uses less digits than its factorization.
120100 is an evil number, because the sum of its binary digits is even.
The square root of 120100 is about 346.5544690233. The cubic root of 120100 is about 49.3379388607.
The spelling of 120100 in words is "one hundred twenty thousand, one hundred", and thus it is an iban number.