Adding to 120400 its reverse (4021), we get a palindrome (124421).
It is a congruent number.
2120400 is an apocalyptic number.
120400 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 120400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120400 is a wasteful number, since it uses less digits than its factorization.
120400 is an evil number, because the sum of its binary digits is even.
The square root of 120400 is about 346.9870314579. The cubic root of 120400 is about 49.3789854178.
The spelling of 120400 in words is "one hundred twenty thousand, four hundred", and thus it is an iban number.