128081259 has 6 divisors (see below), whose sum is σ = 185006276. Its totient is φ = 85387500.

The previous prime is 128081257. The next prime is 128081267. The reversal of 128081259 is 952180821.

It is not a de Polignac number, because 128081259 - 2¹ = 128081257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128081257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7115617 + ... + 7115634.

Almost surely, 2^128081259 is an apocalyptic number.

128081259 is a deficient number, since it is larger than the sum of its proper divisors (56925017).

128081259 is a wasteful number, since it uses less digits than its factorization.

128081259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14231257 (or 14231254 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 128081259 is about 11317.2991035847. The cubic root of 128081259 is about 504.0750431532.

The spelling of 128081259 in words is "one hundred twenty-eight million, eighty-one thousand, two hundred fifty-nine".