128076107 has 4 divisors (see below), whose sum is σ = 128328240. Its totient is φ = 127823976.

The previous prime is 128076103. The next prime is 128076127. The reversal of 128076107 is 701670821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 128076107 - 2² = 128076103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128076103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125303 + ... + 126320.

It is an arithmetic number, because the mean of its divisors is an integer number (32082060).

Almost surely, 2^128076107 is an apocalyptic number.

128076107 is a deficient number, since it is larger than the sum of its proper divisors (252133).

128076107 is an equidigital number, since it uses as much as digits as its factorization.

128076107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252132.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 128076107 is about 11317.0714851502. The cubic root of 128076107 is about 504.0682843464.

The spelling of 128076107 in words is "one hundred twenty-eight million, seventy-six thousand, one hundred seven".