1204249429 has 2 divisors, whose sum is σ = 1204249430. Its totient is φ = 1204249428.

The previous prime is 1204249327. The next prime is 1204249441. The reversal of 1204249429 is 9249424021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806446404 + 397803025 = 28398^2 + 19945^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204249429 - 2¹⁹ = 1203725141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204249489) 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, 602124714 + 602124715.

It is an arithmetic number, because the mean of its divisors is an integer number (602124715).

Almost surely, 2^1204249429 is an apocalyptic number.

It is an amenable number.

1204249429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204249429 is an equidigital number, since it uses as much as digits as its factorization.

1204249429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1204249429 is about 34702.2971718012. The cubic root of 1204249429 is about 1063.9114503753.

The spelling of 1204249429 in words is "one billion, two hundred four million, two hundred forty-nine thousand, four hundred twenty-nine".