1204009441 has 2 divisors, whose sum is σ = 1204009442. Its totient is φ = 1204009440.

The previous prime is 1204009421. The next prime is 1204009447. The reversal of 1204009441 is 1449004021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 985708816 + 218300625 = 31396^2 + 14775^2 .

It is an emirp because it is prime and its reverse (1449004021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204009441 - 2¹¹ = 1204007393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204009447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602004720 + 602004721.

It is an arithmetic number, because the mean of its divisors is an integer number (602004721).

Almost surely, 2^1204009441 is an apocalyptic number.

It is an amenable number.

1204009441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204009441 is an equidigital number, since it uses as much as digits as its factorization.

1204009441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1204009441 is about 34698.8391880766. The cubic root of 1204009441 is about 1063.8407720651.

The spelling of 1204009441 in words is "one billion, two hundred four million, nine thousand, four hundred forty-one".