128054064 has 80 divisors (see below), whose sum is σ = 365548032. Its totient is φ = 38421504.

The previous prime is 128054063. The next prime is 128054071. The reversal of 128054064 is 460450821.

It is not an unprimeable number, because it can be changed into a prime (128054063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15357 + ... + 22179.

Almost surely, 2^128054064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128054064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182774016).

128054064 is an abundant number, since it is smaller than the sum of its proper divisors (237493968).

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

128054064 is a wasteful number, since it uses less digits than its factorization.

128054064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6874 (or 6868 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 128054064 is about 11316.0975605551. The cubic root of 128054064 is about 504.0393645243.

The spelling of 128054064 in words is "one hundred twenty-eight million, fifty-four thousand, sixty-four".