100265 has 8 divisors (see below), whose sum is σ = 131328. Its totient is φ = 72880.

The previous prime is 100237. The next prime is 100267. The reversal of 100265 is 562001.

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

It is not a de Polignac number, because 100265 - 2¹⁰ = 99241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857 + ... + 966.

It is an arithmetic number, because the mean of its divisors is an integer number (16416).

2¹⁰⁰²⁶⁵ is an apocalyptic number.

It is an amenable number.

100265 is a deficient number, since it is larger than the sum of its proper divisors (31063).

100265 is a wasteful number, since it uses less digits than its factorization.

100265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100265 is about 316.6464905853. The cubic root of 100265 is about 46.4568528734.

Adding to 100265 its reverse (562001), we get a palindrome (662266).

The spelling of 100265 in words is "one hundred thousand, two hundred sixty-five".