128373559 has 2 divisors, whose sum is σ = 128373560. Its totient is φ = 128373558.

The previous prime is 128373529. The next prime is 128373569. The reversal of 128373559 is 955373821.

It is a strong prime.

It is an emirp because it is prime and its reverse (955373821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128373559 - 2⁷ = 128373431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (128373529) 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, 64186779 + 64186780.

It is an arithmetic number, because the mean of its divisors is an integer number (64186780).

Almost surely, 2^128373559 is an apocalyptic number.

128373559 is a deficient number, since it is larger than the sum of its proper divisors (1).

128373559 is an equidigital number, since it uses as much as digits as its factorization.

128373559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 128373559 is about 11330.2056027241. The cubic root of 128373559 is about 504.4582092608.

The spelling of 128373559 in words is "one hundred twenty-eight million, three hundred seventy-three thousand, five hundred fifty-nine".