128209059 has 18 divisors (see below), whose sum is σ = 203558628. Its totient is φ = 77701800.

The previous prime is 128209051. The next prime is 128209063. The reversal of 128209059 is 950902821.

It is not a de Polignac number, because 128209059 - 2³ = 128209051 is a prime.

It is a super-3 number, since 3×128209059³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (128209051) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 57777 + ... + 59954.

Almost surely, 2^128209059 is an apocalyptic number.

128209059 is a deficient number, since it is larger than the sum of its proper divisors (75349569).

128209059 is a wasteful number, since it uses less digits than its factorization.

128209059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117759 (or 117745 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 128209059 is about 11322.9439193171. The cubic root of 128209059 is about 504.2426434627.

The spelling of 128209059 in words is "one hundred twenty-eight million, two hundred nine thousand, fifty-nine".