1199394359 has 8 divisors (see below), whose sum is σ = 1208801280. Its totient is φ = 1190007000.

The previous prime is 1199394347. The next prime is 1199394367. The reversal of 1199394359 is 9534939911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1199394359 - 2¹² = 1199390263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1199394359.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199394379) 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 in 7 ways as a sum of consecutive naturals, for example, 133202 + ... + 141920.

It is an arithmetic number, because the mean of its divisors is an integer number (151100160).

Almost surely, 2^1199394359 is an apocalyptic number.

1199394359 is a deficient number, since it is larger than the sum of its proper divisors (9406921).

1199394359 is an equidigital number, since it uses as much as digits as its factorization.

1199394359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9781.

The product of its digits is 1180980, while the sum is 53.

The square root of 1199394359 is about 34632.2733732569. The cubic root of 1199394359 is about 1062.4797642098.

The spelling of 1199394359 in words is "one billion, one hundred ninety-nine million, three hundred ninety-four thousand, three hundred fifty-nine".