128860167 has 8 divisors (see below), whose sum is σ = 171886320. Its totient is φ = 85870400.

The previous prime is 128860157. The next prime is 128860177. The reversal of 128860167 is 761068821.

It is an interprime number because it is at equal distance from previous prime (128860157) and next prime (128860177).

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 128860167 - 2⁸ = 128859911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128860157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667 + ... + 16067.

It is an arithmetic number, because the mean of its divisors is an integer number (21485790).

Almost surely, 2^128860167 is an apocalyptic number.

128860167 is a deficient number, since it is larger than the sum of its proper divisors (43026153).

128860167 is a wasteful number, since it uses less digits than its factorization.

128860167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18193.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 128860167 is about 11351.6592179293. The cubic root of 128860167 is about 505.0947990511.

The spelling of 128860167 in words is "one hundred twenty-eight million, eight hundred sixty thousand, one hundred sixty-seven".