Adding to 120000 its reverse (21), we get a palindrome (120021).
It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.
It is an unprimeable number.
120000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2120000 is an apocalyptic number.
120000 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 120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198374).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120000 is an frugal number, since it uses more digits than its factorization.
120000 is an odious number, because the sum of its binary digits is odd.
The square root of 120000 is about 346.4101615138. The cubic root of 120000 is about 49.3242414866.
The spelling of 120000 in words is "one hundred twenty thousand", and thus it is an iban number.