1199453429 has 2 divisors, whose sum is σ = 1199453430. Its totient is φ = 1199453428.

The previous prime is 1199453351. The next prime is 1199453447. The reversal of 1199453429 is 9243549911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1084384900 + 115068529 = 32930^2 + 10727^2 .

It is a cyclic number.

It is not a de Polignac number, because 1199453429 - 2²⁰ = 1198404853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1199453459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599726714 + 599726715.

It is an arithmetic number, because the mean of its divisors is an integer number (599726715).

Almost surely, 2^1199453429 is an apocalyptic number.

It is an amenable number.

1199453429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199453429 is an equidigital number, since it uses as much as digits as its factorization.

1199453429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 1199453429 is about 34633.1261800029. The cubic root of 1199453429 is about 1062.4972062487.

The spelling of 1199453429 in words is "one billion, one hundred ninety-nine million, four hundred fifty-three thousand, four hundred twenty-nine".