172102 has 16 divisors (see below), whose sum is σ = 311040. Its totient is φ = 69768.

The previous prime is 172097. The next prime is 172127. The reversal of 172102 is 201271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 589.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹⁷²¹⁰² is an apocalyptic number.

172102 is a deficient number, since it is larger than the sum of its proper divisors (138938).

172102 is a wasteful number, since it uses less digits than its factorization.

172102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 172102 is about 414.8517807603. The cubic root of 172102 is about 55.6239687559.

Adding to 172102 its reverse (201271), we get a palindrome (373373).

The spelling of 172102 in words is "one hundred seventy-two thousand, one hundred two", and thus it is an iban number.