102270 has 32 divisors (see below), whose sum is σ = 281088. Its totient is φ = 23328.

The previous prime is 102259. The next prime is 102293. The reversal of 102270 is 72201.

It is a congruent number.

It is an unprimeable number.

102270 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34 + ... + 453.

It is an arithmetic number, because the mean of its divisors is an integer number (8784).

2¹⁰²²⁷⁰ is an apocalyptic number.

102270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140544).

102270 is an abundant number, since it is smaller than the sum of its proper divisors (178818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102270 is a wasteful number, since it uses less digits than its factorization.

102270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 102270 is about 319.7968104907. The cubic root of 102270 is about 46.7644773906.

Adding to 102270 its reverse (72201), we get a palindrome (174471).

The spelling of 102270 in words is "one hundred two thousand, two hundred seventy", and thus it is an iban number.