128132297 has 2 divisors, whose sum is σ = 128132298. Its totient is φ = 128132296.

The previous prime is 128132273. The next prime is 128132327. The reversal of 128132297 is 792231821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117917881 + 10214416 = 10859^2 + 3196^2 .

It is an emirp because it is prime and its reverse (792231821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128132297 - 2⁸ = 128132041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (128132197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64066148 + 64066149.

It is an arithmetic number, because the mean of its divisors is an integer number (64066149).

Almost surely, 2^128132297 is an apocalyptic number.

It is an amenable number.

128132297 is a deficient number, since it is larger than the sum of its proper divisors (1).

128132297 is an equidigital number, since it uses as much as digits as its factorization.

128132297 is an odious number, because the sum of its binary digits is odd.

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

The square root of 128132297 is about 11319.5537456209. The cubic root of 128132297 is about 504.1419891055.

The spelling of 128132297 in words is "one hundred twenty-eight million, one hundred thirty-two thousand, two hundred ninety-seven".