It is a semiprime because it is the product of two primes.
It is an Ulam number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 131126.
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 131126.
2131126 is an apocalyptic number.
131126 is an equidigital number, since it uses as much as digits as its factorization.
131126 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65565.
The square root of 131126 is about 362.1132419562. The cubic root of 131126 is about 50.8038085887.
Adding to 131126 its reverse (621131), we get a palindrome (752257).
The spelling of 131126 in words is "one hundred thirty-one thousand, one hundred twenty-six".