128289152 has 16 divisors (see below), whose sum is σ = 255576300. Its totient is φ = 64144512.

The previous prime is 128289151. The next prime is 128289163. The reversal of 128289152 is 251982821.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128289151) by changing a digit.

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 as a sum of consecutive naturals, namely, 501002 + ... + 501257.

Almost surely, 2^128289152 is an apocalyptic number.

It is an amenable number.

128289152 is a deficient number, since it is larger than the sum of its proper divisors (127287148).

128289152 is an equidigital number, since it uses as much as digits as its factorization.

128289152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002273 (or 1002261 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 128289152 is about 11326.4801240279. The cubic root of 128289152 is about 504.3476227816.

The spelling of 128289152 in words is "one hundred twenty-eight million, two hundred eighty-nine thousand, one hundred fifty-two".