128045219 has 2 divisors, whose sum is σ = 128045220. Its totient is φ = 128045218.

The previous prime is 128045167. The next prime is 128045233. The reversal of 128045219 is 912540821.

It is a strong prime.

It is an emirp because it is prime and its reverse (912540821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128045219 - 2⁸ = 128044963 is a prime.

It is a super-2 number, since 2×128045219² = 32791156217515922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128045299) 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, 64022609 + 64022610.

It is an arithmetic number, because the mean of its divisors is an integer number (64022610).

Almost surely, 2^128045219 is an apocalyptic number.

128045219 is a deficient number, since it is larger than the sum of its proper divisors (1).

128045219 is an equidigital number, since it uses as much as digits as its factorization.

128045219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 128045219 is about 11315.7067388652. The cubic root of 128045219 is about 504.0277591895.

The spelling of 128045219 in words is "one hundred twenty-eight million, forty-five thousand, two hundred nineteen".