128967107 has 8 divisors (see below), whose sum is σ = 132052800. Its totient is φ = 125895744.

The previous prime is 128967077. The next prime is 128967109. The reversal of 128967107 is 701769821.

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 128967107 - 2⁶ = 128967043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128967109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15869 + ... + 22577.

It is an arithmetic number, because the mean of its divisors is an integer number (16506600).

Almost surely, 2^128967107 is an apocalyptic number.

128967107 is a deficient number, since it is larger than the sum of its proper divisors (3085693).

128967107 is an equidigital number, since it uses as much as digits as its factorization.

128967107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165.

The product of its (nonzero) digits is 42336, while the sum is 41.

The square root of 128967107 is about 11356.3685656992. The cubic root of 128967107 is about 505.2344850995.

The spelling of 128967107 in words is "one hundred twenty-eight million, nine hundred sixty-seven thousand, one hundred seven".