102170 has 16 divisors (see below), whose sum is σ = 195048. Its totient is φ = 38400.

The previous prime is 102161. The next prime is 102181. The reversal of 102170 is 71201.

102170 is nontrivially palindromic in base 13.

It can be written as a sum of positive squares in 4 ways, for example, as 100489 + 1681 = 317^2 + 41^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 102170.

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, 131 + ... + 470.

2¹⁰²¹⁷⁰ is an apocalyptic number.

102170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102170 is a deficient number, since it is larger than the sum of its proper divisors (92878).

102170 is a wasteful number, since it uses less digits than its factorization.

102170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 102170 is about 319.6404229756. The cubic root of 102170 is about 46.7492302579.

Adding to 102170 its reverse (71201), we get a palindrome (173371).

It can be divided in two parts, 102 and 170, that added together give a palindrome (272).

The spelling of 102170 in words is "one hundred two thousand, one hundred seventy", and thus it is an iban number.