1320936794 has 4 divisors (see below), whose sum is σ = 1981405194. Its totient is φ = 660468396.

The previous prime is 1320936769. The next prime is 1320936817. The reversal of 1320936794 is 4976390231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4976390231 = 293 ⋅16984267.

It can be written as a sum of positive squares in only one way, i.e., 1302127225 + 18809569 = 36085^2 + 4337^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 330234197 + ... + 330234200.

Almost surely, 2^1320936794 is an apocalyptic number.

1320936794 is a deficient number, since it is larger than the sum of its proper divisors (660468400).

1320936794 is an equidigital number, since it uses as much as digits as its factorization.

1320936794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660468399.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 1320936794 is about 36344.6941657238. The cubic root of 1320936794 is about 1097.2207508325.

The spelling of 1320936794 in words is "one billion, three hundred twenty million, nine hundred thirty-six thousand, seven hundred ninety-four".