128570052 has 48 divisors (see below), whose sum is σ = 327922112. Its totient is φ = 38966400.

The previous prime is 128570041. The next prime is 128570077. The reversal of 128570052 is 250075821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4302 + ... + 16602.

Almost surely, 2^128570052 is an apocalyptic number.

128570052 is a gapful number since it is divisible by the number (12) 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 128570052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163961056).

128570052 is an abundant number, since it is smaller than the sum of its proper divisors (199352060).

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

128570052 is a wasteful number, since it uses less digits than its factorization.

128570052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388 (or 12386 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 128570052 is about 11338.8734890200. The cubic root of 128570052 is about 504.7154584357.

The spelling of 128570052 in words is "one hundred twenty-eight million, five hundred seventy thousand, fifty-two".