1320322151 has 2 divisors, whose sum is σ = 1320322152. Its totient is φ = 1320322150.

The previous prime is 1320322127. The next prime is 1320322163. The reversal of 1320322151 is 1512230231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1320322151 - 2¹⁰ = 1320321127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320322111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660161075 + 660161076.

It is an arithmetic number, because the mean of its divisors is an integer number (660161076).

Almost surely, 2^1320322151 is an apocalyptic number.

1320322151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320322151 is an equidigital number, since it uses as much as digits as its factorization.

1320322151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1320322151 is about 36336.2374359261. The cubic root of 1320322151 is about 1097.0505424154.

Adding to 1320322151 its reverse (1512230231), we get a palindrome (2832552382).

The spelling of 1320322151 in words is "one billion, three hundred twenty million, three hundred twenty-two thousand, one hundred fifty-one".