128081208 has 16 divisors (see below), whose sum is σ = 320203080. Its totient is φ = 42693728.

The previous prime is 128081207. The next prime is 128081257. The reversal of 128081208 is 802180821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128081207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2668335 + ... + 2668382.

Almost surely, 2^128081208 is an apocalyptic number.

It is an amenable number.

128081208 is an abundant number, since it is smaller than the sum of its proper divisors (192121872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128081208 is a wasteful number, since it uses less digits than its factorization.

128081208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336726 (or 5336722 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 128081208 is about 11317.2968503967. The cubic root of 128081208 is about 504.0749762482.

The spelling of 128081208 in words is "one hundred twenty-eight million, eighty-one thousand, two hundred eight".