Adding to 1120013 its reverse (3100211), we get a palindrome (4220224).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3100211 = 19 ⋅163169.
It is a cyclic number.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
21120013 is an apocalyptic number.
It is an amenable number.
1120013 is an equidigital number, since it uses as much as digits as its factorization.
1120013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8946.
The square root of 1120013 is about 1058.3066663307. The cubic root of 1120013 is about 103.8502838356.
The spelling of 1120013 in words is "one million, one hundred twenty thousand, thirteen".