1196738791 has 8 divisors (see below), whose sum is σ = 1244227824. Its totient is φ = 1150121280.

The previous prime is 1196738771. The next prime is 1196738801. The reversal of 1196738791 is 1978376911.

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 1196738791 - 2⁵ = 1196738759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196738701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215080 + ... + 220573.

It is an arithmetic number, because the mean of its divisors is an integer number (155528478).

Almost surely, 2^1196738791 is an apocalyptic number.

1196738791 is a deficient number, since it is larger than the sum of its proper divisors (47489033).

1196738791 is an equidigital number, since it uses as much as digits as its factorization.

1196738791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435761.

The product of its digits is 571536, while the sum is 52.

The square root of 1196738791 is about 34593.9126292474. The cubic root of 1196738791 is about 1061.6950425571.

The spelling of 1196738791 in words is "one billion, one hundred ninety-six million, seven hundred thirty-eight thousand, seven hundred ninety-one".