128066357 has 2 divisors, whose sum is σ = 128066358. Its totient is φ = 128066356.

The previous prime is 128066317. The next prime is 128066359. The reversal of 128066357 is 753660821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92948881 + 35117476 = 9641^2 + 5926^2 .

It is a cyclic number.

It is not a de Polignac number, because 128066357 - 2²² = 123872053 is a prime.

Together with 128066359, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128066357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128066359) 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, 64033178 + 64033179.

It is an arithmetic number, because the mean of its divisors is an integer number (64033179).

Almost surely, 2^128066357 is an apocalyptic number.

It is an amenable number.

128066357 is a deficient number, since it is larger than the sum of its proper divisors (1).

128066357 is an equidigital number, since it uses as much as digits as its factorization.

128066357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 128066357 is about 11316.6407118014. The cubic root of 128066357 is about 504.0554930184.

The spelling of 128066357 in words is "one hundred twenty-eight million, sixty-six thousand, three hundred fifty-seven".