128067459 has 16 divisors (see below), whose sum is σ = 188170752. Its totient is φ = 76976928.

The previous prime is 128067439. The next prime is 128067461. The reversal of 128067459 is 954760821.

It is not a de Polignac number, because 128067459 - 2⁹ = 128066947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128067459.

It is not an unprimeable number, because it can be changed into a prime (128067439) 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 15 ways as a sum of consecutive naturals, for example, 36507 + ... + 39860.

It is an arithmetic number, because the mean of its divisors is an integer number (11760672).

Almost surely, 2^128067459 is an apocalyptic number.

128067459 is a deficient number, since it is larger than the sum of its proper divisors (60103293).

128067459 is a wasteful number, since it uses less digits than its factorization.

128067459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76426.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 128067459 is about 11316.6894010572. The cubic root of 128067459 is about 504.0569387990.

The spelling of 128067459 in words is "one hundred twenty-eight million, sixty-seven thousand, four hundred fifty-nine".