128886027 has 16 divisors (see below), whose sum is σ = 182362752. Its totient is φ = 80689280.

The previous prime is 128886019. The next prime is 128886097. The reversal of 128886027 is 720688821.

It is a cyclic number.

It is not a de Polignac number, because 128886027 - 2³ = 128886019 is a prime.

It is a super-2 number, since 2×128886027² = 33223215911689458, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 128886027.

It is not an unprimeable number, because it can be changed into a prime (128886097) 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, 22468 + ... + 27614.

It is an arithmetic number, because the mean of its divisors is an integer number (11397672).

Almost surely, 2^128886027 is an apocalyptic number.

128886027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128886027 is a deficient number, since it is larger than the sum of its proper divisors (53476725).

128886027 is a wasteful number, since it uses less digits than its factorization.

128886027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658.

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 128886027 is about 11352.7982013246. The cubic root of 128886027 is about 505.1285847124.

It can be divided in two parts, 12888 and 6027, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 128886027 in words is "one hundred twenty-eight million, eight hundred eighty-six thousand, twenty-seven".