171028288121 has 8 divisors (see below), whose sum is σ = 179748219840. Its totient is φ = 162415349712.

The previous prime is 171028288099. The next prime is 171028288127. The reversal of 171028288121 is 121882820171.

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

It is not a de Polignac number, because 171028288121 - 2¹⁴ = 171028271737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171028288127) 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, 26745050 + ... + 26751443.

It is an arithmetic number, because the mean of its divisors is an integer number (22468527480).

Almost surely, 2^171028288121 is an apocalyptic number.

It is an amenable number.

171028288121 is a deficient number, since it is larger than the sum of its proper divisors (8719931719).

171028288121 is a wasteful number, since it uses less digits than its factorization.

171028288121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53496655.

The product of its (nonzero) digits is 28672, while the sum is 41.

The spelling of 171028288121 in words is "one hundred seventy-one billion, twenty-eight million, two hundred eighty-eight thousand, one hundred twenty-one".