128083218 has 64 divisors (see below), whose sum is σ = 278208000. Its totient is φ = 39187584.

The previous prime is 128083217. The next prime is 128083229. The reversal of 128083218 is 812380821.

It is not an unprimeable number, because it can be changed into a prime (128083213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 921393 + ... + 921531.

It is an arithmetic number, because the mean of its divisors is an integer number (4347000).

Almost surely, 2^128083218 is an apocalyptic number.

128083218 is an abundant number, since it is smaller than the sum of its proper divisors (150124782).

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

128083218 is a wasteful number, since it uses less digits than its factorization.

128083218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 128083218 is about 11317.3856521725. The cubic root of 128083218 is about 504.0776130789.

The spelling of 128083218 in words is "one hundred twenty-eight million, eighty-three thousand, two hundred eighteen".