128064057 has 8 divisors (see below), whose sum is σ = 186275040. Its totient is φ = 77614560.

The previous prime is 128064037. The next prime is 128064089. The reversal of 128064057 is 750460821.

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

It is not a de Polignac number, because 128064057 - 2¹⁸ = 127801913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3880729 = 128064057 / (1 + 2 + 8 + 0 + 6 + 4 + 0 + 5 + 7).

It is not an unprimeable number, because it can be changed into a prime (128064017) 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, 1940332 + ... + 1940397.

It is an arithmetic number, because the mean of its divisors is an integer number (23284380).

Almost surely, 2^128064057 is an apocalyptic number.

It is an amenable number.

128064057 is a deficient number, since it is larger than the sum of its proper divisors (58210983).

128064057 is a wasteful number, since it uses less digits than its factorization.

128064057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880743.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 128064057 is about 11316.5390910826. The cubic root of 128064057 is about 504.0524754822.

The spelling of 128064057 in words is "one hundred twenty-eight million, sixty-four thousand, fifty-seven".