128841552 has 60 divisors (see below), whose sum is σ = 412091680. Its totient is φ = 36811584.

The previous prime is 128841551. The next prime is 128841599. The reversal of 128841552 is 255148821.

128841552 is a `hidden beast` number, since 1 + 28 + 84 + 1 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128841551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62902 + ... + 64917.

Almost surely, 2^128841552 is an apocalyptic number.

128841552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

128841552 is an abundant number, since it is smaller than the sum of its proper divisors (283250128).

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

128841552 is a wasteful number, since it uses less digits than its factorization.

128841552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127840 (or 127831 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 128841552 is about 11350.8392641249. The cubic root of 128841552 is about 505.0704760642.

The spelling of 128841552 in words is "one hundred twenty-eight million, eight hundred forty-one thousand, five hundred fifty-two".