128054529 has 12 divisors (see below), whose sum is σ = 185193216. Its totient is φ = 85265592.

The previous prime is 128054513. The next prime is 128054533. The reversal of 128054529 is 925450821.

128054529 is a `hidden beast` number, since 1 + 2 + 80 + 54 + 529 = 666.

It is not a de Polignac number, because 128054529 - 2⁴ = 128054513 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 128054493 and 128054502.

It is not an unprimeable number, because it can be changed into a prime (128054539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477 + ... + 16010.

It is an arithmetic number, because the mean of its divisors is an integer number (15432768).

Almost surely, 2^128054529 is an apocalyptic number.

It is an amenable number.

128054529 is a deficient number, since it is larger than the sum of its proper divisors (57138687).

128054529 is a wasteful number, since it uses less digits than its factorization.

128054529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17356 (or 17353 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 128054529 is about 11316.1181064886. The cubic root of 128054529 is about 504.0399746260.

The spelling of 128054529 in words is "one hundred twenty-eight million, fifty-four thousand, five hundred twenty-nine".