1220324241 has 4 divisors (see below), whose sum is σ = 1627098992. Its totient is φ = 813549492.

The previous prime is 1220324239. The next prime is 1220324249. The reversal of 1220324241 is 1424230221.

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 not a de Polignac number, because 1220324241 - 2¹ = 1220324239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220324249) 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, 203387371 + ... + 203387376.

It is an arithmetic number, because the mean of its divisors is an integer number (406774748).

Almost surely, 2^1220324241 is an apocalyptic number.

It is an amenable number.

1220324241 is a deficient number, since it is larger than the sum of its proper divisors (406774751).

1220324241 is an equidigital number, since it uses as much as digits as its factorization.

1220324241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406774750.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1220324241 is about 34933.1395812057. The cubic root of 1220324241 is about 1068.6243832799.

Adding to 1220324241 its reverse (1424230221), we get a palindrome (2644554462).

The spelling of 1220324241 in words is "one billion, two hundred twenty million, three hundred twenty-four thousand, two hundred forty-one".