1328122907 has 2 divisors, whose sum is σ = 1328122908. Its totient is φ = 1328122906.

The previous prime is 1328122871. The next prime is 1328122921. The reversal of 1328122907 is 7092218231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1328122907 - 2²⁴ = 1311345691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1328122967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664061453 + 664061454.

It is an arithmetic number, because the mean of its divisors is an integer number (664061454).

Almost surely, 2^1328122907 is an apocalyptic number.

1328122907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328122907 is an equidigital number, since it uses as much as digits as its factorization.

1328122907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 1328122907 is about 36443.4206270487. The cubic root of 1328122907 is about 1099.2068406234.

The spelling of 1328122907 in words is "one billion, three hundred twenty-eight million, one hundred twenty-two thousand, nine hundred seven".