1204460009 has 2 divisors, whose sum is σ = 1204460010. Its totient is φ = 1204460008.

The previous prime is 1204459973. The next prime is 1204460029. The reversal of 1204460009 is 9000644021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196952409 + 7507600 = 34597^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204460009 - 2²⁸ = 936024553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1204460009.

It is not a weakly prime, because it can be changed into another prime (1204460029) 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, 602230004 + 602230005.

It is an arithmetic number, because the mean of its divisors is an integer number (602230005).

Almost surely, 2^1204460009 is an apocalyptic number.

It is an amenable number.

1204460009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204460009 is an equidigital number, since it uses as much as digits as its factorization.

1204460009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1204460009 is about 34705.3311322627. The cubic root of 1204460009 is about 1063.9734600693.

The spelling of 1204460009 in words is "one billion, two hundred four million, four hundred sixty thousand, nine".