1320344147 has 2 divisors, whose sum is σ = 1320344148. Its totient is φ = 1320344146.

The previous prime is 1320344101. The next prime is 1320344209. The reversal of 1320344147 is 7414430231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1320344147 - 2²⁴ = 1303566931 is a prime.

It is not a weakly prime, because it can be changed into another prime (1320344747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660172073 + 660172074.

It is an arithmetic number, because the mean of its divisors is an integer number (660172074).

Almost surely, 2^1320344147 is an apocalyptic number.

1320344147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320344147 is an equidigital number, since it uses as much as digits as its factorization.

1320344147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1320344147 is about 36336.5401077208. The cubic root of 1320344147 is about 1097.0566345119.

Adding to 1320344147 its reverse (7414430231), we get a palindrome (8734774378).

The spelling of 1320344147 in words is "one billion, three hundred twenty million, three hundred forty-four thousand, one hundred forty-seven".