128380183 has 2 divisors, whose sum is σ = 128380184. Its totient is φ = 128380182.

The previous prime is 128380159. The next prime is 128380247. The reversal of 128380183 is 381083821.

It is a weak prime.

It is an emirp because it is prime and its reverse (381083821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128380183 is a prime.

It is a super-2 number, since 2×128380183² = 32962942774226978, which contains 22 as substring.

It is equal to p_7291357 and since 128380183 and 7291357 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128380103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64190091 + 64190092.

It is an arithmetic number, because the mean of its divisors is an integer number (64190092).

Almost surely, 2^128380183 is an apocalyptic number.

128380183 is a deficient number, since it is larger than the sum of its proper divisors (1).

128380183 is an equidigital number, since it uses as much as digits as its factorization.

128380183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 128380183 is about 11330.4979149197. The cubic root of 128380183 is about 504.4668856936.

The spelling of 128380183 in words is "one hundred twenty-eight million, three hundred eighty thousand, one hundred eighty-three".