1204434019 has 2 divisors, whose sum is σ = 1204434020. Its totient is φ = 1204434018.

The previous prime is 1204434013. The next prime is 1204434053. The reversal of 1204434019 is 9104344021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1204434019 - 2⁵ = 1204433987 is a prime.

It is a super-2 number, since 2×1204434019² = 2901322612248984722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1204434013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602217009 + 602217010.

It is an arithmetic number, because the mean of its divisors is an integer number (602217010).

Almost surely, 2^1204434019 is an apocalyptic number.

1204434019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204434019 is an equidigital number, since it uses as much as digits as its factorization.

1204434019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1204434019 is about 34704.9566920923. The cubic root of 1204434019 is about 1063.9658071601.

The spelling of 1204434019 in words is "one billion, two hundred four million, four hundred thirty-four thousand, nineteen".