It is a congruent number.
It is an unprimeable number.
126846 is a Friedman number, since it can be written as 486*261, using all its digits and the basic arithmetic operations.
2126846 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 126846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
126846 is an frugal number, since it uses more digits than its factorization.
126846 is an evil number, because the sum of its binary digits is even.
The square root of 126846 is about 356.1544608734. The cubic root of 126846 is about 50.2449315449.
The spelling of 126846 in words is "one hundred twenty-six thousand, eight hundred forty-six".