1299206794 has 4 divisors (see below), whose sum is σ = 1948810194. Its totient is φ = 649603396.

The previous prime is 1299206771. The next prime is 1299206801. The reversal of 1299206794 is 4976029921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1277705025 + 21501769 = 35745^2 + 4637^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324801697 + ... + 324801700.

Almost surely, 2^1299206794 is an apocalyptic number.

1299206794 is a deficient number, since it is larger than the sum of its proper divisors (649603400).

1299206794 is an equidigital number, since it uses as much as digits as its factorization.

1299206794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649603399.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 1299206794 is about 36044.5112881282. The cubic root of 1299206794 is about 1091.1708636985.

The spelling of 1299206794 in words is "one billion, two hundred ninety-nine million, two hundred six thousand, seven hundred ninety-four".