1199315299 has 16 divisors (see below), whose sum is σ = 1515978688. Its totient is φ = 923260032.

The previous prime is 1199315297. The next prime is 1199315311. The reversal of 1199315299 is 9925139911.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1199315299 - 2¹ = 1199315297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1199315297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174732 + ... + 181465.

It is an arithmetic number, because the mean of its divisors is an integer number (94748668).

Almost surely, 2^1199315299 is an apocalyptic number.

1199315299 is a deficient number, since it is larger than the sum of its proper divisors (316663389).

1199315299 is a wasteful number, since it uses less digits than its factorization.

1199315299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356254.

The product of its digits is 196830, while the sum is 49.

The square root of 1199315299 is about 34631.1319335652. The cubic root of 1199315299 is about 1062.4564186784.

The spelling of 1199315299 in words is "one billion, one hundred ninety-nine million, three hundred fifteen thousand, two hundred ninety-nine".