128484069 has 8 divisors (see below), whose sum is σ = 195785280. Its totient is φ = 73419456.

The previous prime is 128484053. The next prime is 128484071. The reversal of 128484069 is 960484821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128484069 - 2⁴ = 128484053 is a prime.

It is a super-2 number, since 2×128484069² = 33016311973593522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128484069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128484269) 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 7 ways as a sum of consecutive naturals, for example, 3059124 + ... + 3059165.

It is an arithmetic number, because the mean of its divisors is an integer number (24473160).

Almost surely, 2^128484069 is an apocalyptic number.

It is an amenable number.

128484069 is a deficient number, since it is larger than the sum of its proper divisors (67301211).

128484069 is an equidigital number, since it uses as much as digits as its factorization.

128484069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118299.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 128484069 is about 11335.0813406874. The cubic root of 128484069 is about 504.6029215313.

The spelling of 128484069 in words is "one hundred twenty-eight million, four hundred eighty-four thousand, sixty-nine".