102265 has 8 divisors (see below), whose sum is σ = 124488. Its totient is φ = 80640.

The previous prime is 102259. The next prime is 102293. The reversal of 102265 is 562201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11664 + 90601 = 108^2 + 301^2 .

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

It is not a de Polignac number, because 102265 - 2⁵ = 102233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 655.

It is an arithmetic number, because the mean of its divisors is an integer number (15561).

2¹⁰²²⁶⁵ is an apocalyptic number.

It is an amenable number.

102265 is a deficient number, since it is larger than the sum of its proper divisors (22223).

102265 is a wasteful number, since it uses less digits than its factorization.

102265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102265 is about 319.7889929313. The cubic root of 102265 is about 46.7637152701.

Adding to 102265 its reverse (562201), we get a palindrome (664466).

It can be divided in two parts, 1022 and 65, that multiplied together give a triangular number (66430 = T₃₆₄).

The spelling of 102265 in words is "one hundred two thousand, two hundred sixty-five".