128578060 has 48 divisors (see below), whose sum is σ = 292824000. Its totient is φ = 47142144.

The previous prime is 128578019. The next prime is 128578063. The reversal of 128578060 is 60875821.

It is not an unprimeable number, because it can be changed into a prime (128578063) 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, 37081 + ... + 40399.

It is an arithmetic number, because the mean of its divisors is an integer number (6100500).

Almost surely, 2^128578060 is an apocalyptic number.

128578060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128578060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146412000).

128578060 is an abundant number, since it is smaller than the sum of its proper divisors (164245940).

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

128578060 is a wasteful number, since it uses less digits than its factorization.

128578060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 128578060 is about 11339.2266050203. The cubic root of 128578060 is about 504.7259369710.

The spelling of 128578060 in words is "one hundred twenty-eight million, five hundred seventy-eight thousand, sixty".