1199366459 has 2 divisors, whose sum is σ = 1199366460. Its totient is φ = 1199366458.

The previous prime is 1199366453. The next prime is 1199366461. The reversal of 1199366459 is 9546639911.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1199366459 - 2¹⁶ = 1199300923 is a prime.

Together with 1199366461, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1199366459.

It is not a weakly prime, because it can be changed into another prime (1199366453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599683229 + 599683230.

It is an arithmetic number, because the mean of its divisors is an integer number (599683230).

Almost surely, 2^1199366459 is an apocalyptic number.

1199366459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1199366459 is an equidigital number, since it uses as much as digits as its factorization.

1199366459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 53.

The square root of 1199366459 is about 34631.8705674412. The cubic root of 1199366459 is about 1062.4715257698.

The spelling of 1199366459 in words is "one billion, one hundred ninety-nine million, three hundred sixty-six thousand, four hundred fifty-nine".