128412528 has 20 divisors (see below), whose sum is σ = 331732488. Its totient is φ = 42804160.

The previous prime is 128412527. The next prime is 128412539. The reversal of 128412528 is 825214821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128412527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337583 + ... + 1337678.

Almost surely, 2^128412528 is an apocalyptic number.

It is an amenable number.

128412528 is an abundant number, since it is smaller than the sum of its proper divisors (203319960).

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

128412528 is a wasteful number, since it uses less digits than its factorization.

128412528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675272 (or 2675266 counting only the distinct ones).

The product of its digits is 10240, while the sum is 33.

The square root of 128412528 is about 11331.9251674197. The cubic root of 128412528 is about 504.5092484397.

The spelling of 128412528 in words is "one hundred twenty-eight million, four hundred twelve thousand, five hundred twenty-eight".