1223217041 has 4 divisors (see below), whose sum is σ = 1223307492. Its totient is φ = 1223126592.

The previous prime is 1223216999. The next prime is 1223217043. The reversal of 1223217041 is 1407123221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1051056400 + 172160641 = 32420^2 + 13121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223217041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1223216998 and 1223217016.

It is not an unprimeable number, because it can be changed into a prime (1223217043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20396 + ... + 53501.

It is an arithmetic number, because the mean of its divisors is an integer number (305826873).

Almost surely, 2^1223217041 is an apocalyptic number.

It is an amenable number.

1223217041 is a deficient number, since it is larger than the sum of its proper divisors (90451).

1223217041 is an equidigital number, since it uses as much as digits as its factorization.

1223217041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90450.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1223217041 is about 34974.5198823372. The cubic root of 1223217041 is about 1069.4681145470.

The spelling of 1223217041 in words is "one billion, two hundred twenty-three million, two hundred seventeen thousand, forty-one".