1304221241 has 2 divisors, whose sum is σ = 1304221242. Its totient is φ = 1304221240.

The previous prime is 1304221229. The next prime is 1304221267. The reversal of 1304221241 is 1421224031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030153216 + 274068025 = 32096^2 + 16555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304221241 - 2¹⁰ = 1304220217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1304221211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 652110620 + 652110621.

It is an arithmetic number, because the mean of its divisors is an integer number (652110621).

Almost surely, 2^1304221241 is an apocalyptic number.

It is an amenable number.

1304221241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1304221241 is an equidigital number, since it uses as much as digits as its factorization.

1304221241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1304221241 is about 36114.0033920362. The cubic root of 1304221241 is about 1092.5728971252.

Adding to 1304221241 its reverse (1421224031), we get a palindrome (2725445272).

The spelling of 1304221241 in words is "one billion, three hundred four million, two hundred twenty-one thousand, two hundred forty-one".