128627065 has 8 divisors (see below), whose sum is σ = 176402880. Its totient is φ = 88201392.

The previous prime is 128627047. The next prime is 128627071. The reversal of 128627065 is 560726821.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 128627065 - 2²⁵ = 95072633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837495 + ... + 1837564.

It is an arithmetic number, because the mean of its divisors is an integer number (22050360).

Almost surely, 2^128627065 is an apocalyptic number.

It is an amenable number.

128627065 is a deficient number, since it is larger than the sum of its proper divisors (47775815).

128627065 is an equidigital number, since it uses as much as digits as its factorization.

128627065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675071.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 128627065 is about 11341.3872608248. The cubic root of 128627065 is about 504.7900509495.

The spelling of 128627065 in words is "one hundred twenty-eight million, six hundred twenty-seven thousand, sixty-five".