128234528 has 24 divisors (see below), whose sum is σ = 253145088. Its totient is φ = 63943744.

The previous prime is 128234497. The next prime is 128234539. The reversal of 128234528 is 825432821.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7025 + ... + 17487.

It is an arithmetic number, because the mean of its divisors is an integer number (10547712).

Almost surely, 2^128234528 is an apocalyptic number.

It is an amenable number.

128234528 is a deficient number, since it is larger than the sum of its proper divisors (124910560).

128234528 is a wasteful number, since it uses less digits than its factorization.

128234528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10856 (or 10848 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 128234528 is about 11324.0685268149. The cubic root of 128234528 is about 504.2760308735.

The spelling of 128234528 in words is "one hundred twenty-eight million, two hundred thirty-four thousand, five hundred twenty-eight".