1204000001 has 2 divisors, whose sum is σ = 1204000002. Its totient is φ = 1204000000.

The previous prime is 1203999997. The next prime is 1204000009. The reversal of 1204000001 is 1000004021.

It is an a-pointer prime, because the next prime (1204000009) can be obtained adding 1204000001 to its sum of digits (8).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1202424976 + 1575025 = 34676^2 + 1255^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204000001 - 2² = 1203999997 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602000000 + 602000001.

It is an arithmetic number, because the mean of its divisors is an integer number (602000001).

Almost surely, 2^1204000001 is an apocalyptic number.

It is an amenable number.

1204000001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204000001 is an equidigital number, since it uses as much as digits as its factorization.

1204000001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 1204000001 is about 34698.7031602047. The cubic root of 1204000001 is about 1063.8379917206.

Adding to 1204000001 its reverse (1000004021), we get a palindrome (2204004022).

The spelling of 1204000001 in words is "one billion, two hundred four million, one", and thus it is an aban number.