128530167 has 8 divisors (see below), whose sum is σ = 171437424. Its totient is φ = 85654848.

The previous prime is 128530163. The next prime is 128530169. The reversal of 128530167 is 761035821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128530167 - 2² = 128530163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128530163) 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, 3963 + ... + 16515.

It is an arithmetic number, because the mean of its divisors is an integer number (21429678).

Almost surely, 2^128530167 is an apocalyptic number.

128530167 is a deficient number, since it is larger than the sum of its proper divisors (42907257).

128530167 is a wasteful number, since it uses less digits than its factorization.

128530167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 128530167 is about 11337.1145799979. The cubic root of 128530167 is about 504.6632620968.

Adding to 128530167 its reverse (761035821), we get a palindrome (889565988).

The spelling of 128530167 in words is "one hundred twenty-eight million, five hundred thirty thousand, one hundred sixty-seven".