1204430099 has 2 divisors, whose sum is σ = 1204430100. Its totient is φ = 1204430098.

The previous prime is 1204430069. The next prime is 1204430137. The reversal of 1204430099 is 9900344021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1204430099 - 2²⁸ = 935994643 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204430069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602215049 + 602215050.

It is an arithmetic number, because the mean of its divisors is an integer number (602215050).

Almost surely, 2^1204430099 is an apocalyptic number.

1204430099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204430099 is an equidigital number, since it uses as much as digits as its factorization.

1204430099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1204430099 is about 34704.9002159637. The cubic root of 1204430099 is about 1063.9646528834.

The spelling of 1204430099 in words is "one billion, two hundred four million, four hundred thirty thousand, ninety-nine".