128354528 has 24 divisors (see below), whose sum is σ = 252972720. Its totient is φ = 64107520.

The previous prime is 128354507. The next prime is 128354531. The reversal of 128354528 is 825453821.

It is a junction number, because it is equal to n+sod(n) for n = 128354491 and 128354500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40688 + ... + 43728.

It is an arithmetic number, because the mean of its divisors is an integer number (10540530).

Almost surely, 2^128354528 is an apocalyptic number.

It is an amenable number.

128354528 is a deficient number, since it is larger than the sum of its proper divisors (124618192).

128354528 is a wasteful number, since it uses less digits than its factorization.

128354528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4370 (or 4362 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 128354528 is about 11329.3657368804. The cubic root of 128354528 is about 504.4332798835.

The spelling of 128354528 in words is "one hundred twenty-eight million, three hundred fifty-four thousand, five hundred twenty-eight".