1199306797 has 4 divisors (see below), whose sum is σ = 1291561180. Its totient is φ = 1107052416.

The previous prime is 1199306783. The next prime is 1199306813. The reversal of 1199306797 is 7976039911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 163175076 + 1036131721 = 12774^2 + 32189^2 .

It is a cyclic number.

It is not a de Polignac number, because 1199306797 - 2¹¹ = 1199304749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199306777) 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 3 ways as a sum of consecutive naturals, for example, 46127172 + ... + 46127197.

It is an arithmetic number, because the mean of its divisors is an integer number (322890295).

Almost surely, 2^1199306797 is an apocalyptic number.

It is an amenable number.

1199306797 is a deficient number, since it is larger than the sum of its proper divisors (92254383).

1199306797 is an equidigital number, since it uses as much as digits as its factorization.

1199306797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92254382.

The product of its (nonzero) digits is 642978, while the sum is 52.

The square root of 1199306797 is about 34631.0091825231. The cubic root of 1199306797 is about 1062.4539080720.

The spelling of 1199306797 in words is "one billion, one hundred ninety-nine million, three hundred six thousand, seven hundred ninety-seven".