128358027 has 20 divisors (see below), whose sum is σ = 219137776. Its totient is φ = 73347120.

The previous prime is 128358023. The next prime is 128358029. The reversal of 128358027 is 720853821.

It is not a de Polignac number, because 128358027 - 2² = 128358023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128357982 and 128358000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128358023) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 112624 + ... + 113757.

Almost surely, 2^128358027 is an apocalyptic number.

128358027 is a deficient number, since it is larger than the sum of its proper divisors (90779749).

128358027 is an equidigital number, since it uses as much as digits as its factorization.

128358027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226400 (or 226391 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 128358027 is about 11329.5201575354. The cubic root of 128358027 is about 504.4378635318.

The spelling of 128358027 in words is "one hundred twenty-eight million, three hundred fifty-eight thousand, twenty-seven".