1220241304 has 32 divisors (see below), whose sum is σ = 2330856000. Its totient is φ = 598716832.

The previous prime is 1220241301. The next prime is 1220241329. The reversal of 1220241304 is 4031420221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220241301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309087 + ... + 313009.

It is an arithmetic number, because the mean of its divisors is an integer number (72839250).

Almost surely, 2^1220241304 is an apocalyptic number.

It is an amenable number.

1220241304 is a deficient number, since it is larger than the sum of its proper divisors (1110614696).

1220241304 is a wasteful number, since it uses less digits than its factorization.

1220241304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647 (or 4643 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1220241304 is about 34931.9524790699. The cubic root of 1220241304 is about 1068.6001737282.

Adding to 1220241304 its reverse (4031420221), we get a palindrome (5251661525).

The spelling of 1220241304 in words is "one billion, two hundred twenty million, two hundred forty-one thousand, three hundred four".