128150528 has 88 divisors (see below), whose sum is σ = 289265664. Its totient is φ = 56217600.

The previous prime is 128150521. The next prime is 128150531. The reversal of 128150528 is 825051821.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 128150494 and 128150503.

It is not an unprimeable number, because it can be changed into a prime (128150521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349001 + ... + 349367.

Almost surely, 2^128150528 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 128150528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144632832).

128150528 is an abundant number, since it is smaller than the sum of its proper divisors (161115136).

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

128150528 is a wasteful number, since it uses less digits than its factorization.

128150528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 411 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 32.

The square root of 128150528 is about 11320.3590049079. The cubic root of 128150528 is about 504.1658981873.

The spelling of 128150528 in words is "one hundred twenty-eight million, one hundred fifty thousand, five hundred twenty-eight".