Adding to 123126 its reverse (621321), we get a palindrome (744447).
It is a sphenic number, since it is the product of 3 distinct primes.
123126 is an admirable number.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 123126.
2123126 is an apocalyptic number.
123126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123126 is a wasteful number, since it uses less digits than its factorization.
123126 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20526.
The square root of 123126 is about 350.8931461286. The cubic root of 123126 is about 49.7488741612.
The spelling of 123126 in words is "one hundred twenty-three thousand, one hundred twenty-six".