It is an ABA number since it can be written as A⋅BA, here for A=3, B=34.
It is a congruent number.
2117912 is an apocalyptic number.
117912 is a gapful number since it is divisible by the number (12) 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 117912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
117912 is an equidigital number, since it uses as much as digits as its factorization.
117912 is an evil number, because the sum of its binary digits is even.
The square root of 117912 is about 343.3831679043. The cubic root of 117912 is about 49.0364853905.
The spelling of 117912 in words is "one hundred seventeen thousand, nine hundred twelve".