128679275 has 12 divisors (see below), whose sum is σ = 159921312. Its totient is φ = 102711840.

The previous prime is 128679253. The next prime is 128679277. The reversal of 128679275 is 572976821.

It is a happy number.

It is not a de Polignac number, because 128679275 - 2⁶ = 128679211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128679277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6017 + ... + 17133.

It is an arithmetic number, because the mean of its divisors is an integer number (13326776).

Almost surely, 2^128679275 is an apocalyptic number.

128679275 is a deficient number, since it is larger than the sum of its proper divisors (31242037).

128679275 is a wasteful number, since it uses less digits than its factorization.

128679275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11590 (or 11585 counting only the distinct ones).

The product of its digits is 423360, while the sum is 47.

The square root of 128679275 is about 11343.6887739395. The cubic root of 128679275 is about 504.8583401635.

The spelling of 128679275 in words is "one hundred twenty-eight million, six hundred seventy-nine thousand, two hundred seventy-five".