128014565 has 16 divisors (see below), whose sum is σ = 175751040. Its totient is φ = 87687360.

The previous prime is 128014559. The next prime is 128014567. The reversal of 128014565 is 565410821.

It is not a de Polignac number, because 128014565 - 2¹⁰ = 128013541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128014567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52391 + ... + 54779.

It is an arithmetic number, because the mean of its divisors is an integer number (10984440).

Almost surely, 2^128014565 is an apocalyptic number.

It is an amenable number.

128014565 is a deficient number, since it is larger than the sum of its proper divisors (47736475).

128014565 is a wasteful number, since it uses less digits than its factorization.

128014565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 128014565 is about 11314.3521688164. The cubic root of 128014565 is about 503.9875345976.

The spelling of 128014565 in words is "one hundred twenty-eight million, fourteen thousand, five hundred sixty-five".