It is a Jordan-Polya number, since it can be written as 5! ⋅ (2!)10.
It is a nialpdrome in base 2.
It is a zygodrome in base 2.
It is a congruent number.
122880 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
In principle, a polygon with 122880 sides can be constructed with ruler and compass.
2122880 is an apocalyptic number.
122880 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 122880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122880 is an frugal number, since it uses more digits than its factorization.
122880 is an evil number, because the sum of its binary digits is even.
The square root of 122880 is about 350.5424368033. The cubic root of 122880 is about 49.7157200953.
The spelling of 122880 in words is "one hundred twenty-two thousand, eight hundred eighty".