1223535041 has 4 divisors (see below), whose sum is σ = 1224042432. Its totient is φ = 1223027652.

The previous prime is 1223535017. The next prime is 1223535059. The reversal of 1223535041 is 1405353221.

It is a happy number.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1223535041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223535041.

It is not an unprimeable number, because it can be changed into a prime (1223535091) 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, 250061 + ... + 254906.

It is an arithmetic number, because the mean of its divisors is an integer number (306010608).

Almost surely, 2^1223535041 is an apocalyptic number.

It is an amenable number.

1223535041 is a deficient number, since it is larger than the sum of its proper divisors (507391).

1223535041 is an equidigital number, since it uses as much as digits as its factorization.

1223535041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507390.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1223535041 is about 34979.0657536762. The cubic root of 1223535041 is about 1069.5607831365.

Adding to 1223535041 its reverse (1405353221), we get a palindrome (2628888262).

The spelling of 1223535041 in words is "one billion, two hundred twenty-three million, five hundred thirty-five thousand, forty-one".