171428103 has 32 divisors (see below), whose sum is σ = 316638720. Its totient is φ = 89052480.

The previous prime is 171428083. The next prime is 171428107. The reversal of 171428103 is 301824171.

171428103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 171428103 - 2⁵ = 171428071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171428107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39150 + ... + 43307.

It is an arithmetic number, because the mean of its divisors is an integer number (9894960).

Almost surely, 2^171428103 is an apocalyptic number.

171428103 is a deficient number, since it is larger than the sum of its proper divisors (145210617).

171428103 is a wasteful number, since it uses less digits than its factorization.

171428103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82484 (or 82478 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 171428103 is about 13093.0555257358. The cubic root of 171428103 is about 555.5127183074.

The spelling of 171428103 in words is "one hundred seventy-one million, four hundred twenty-eight thousand, one hundred three".