1320328927 has 2 divisors, whose sum is σ = 1320328928. Its totient is φ = 1320328926.

The previous prime is 1320328921. The next prime is 1320328931. The reversal of 1320328927 is 7298230231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320328927 - 2²³ = 1311940319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320328921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660164463 + 660164464.

It is an arithmetic number, because the mean of its divisors is an integer number (660164464).

Almost surely, 2^1320328927 is an apocalyptic number.

1320328927 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320328927 is an equidigital number, since it uses as much as digits as its factorization.

1320328927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1320328927 is about 36336.3306760603. The cubic root of 1320328927 is about 1097.0524191296.

The spelling of 1320328927 in words is "one billion, three hundred twenty million, three hundred twenty-eight thousand, nine hundred twenty-seven".