100266 has 16 divisors (see below), whose sum is σ = 212544. Its totient is φ = 31424.

The previous prime is 100237. The next prime is 100267. The reversal of 100266 is 662001.

100266 = T₁₀₀ + T₁₀₁ + ... + T₁₁₆.

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, 390 + ... + 593.

It is an arithmetic number, because the mean of its divisors is an integer number (13284).

2¹⁰⁰²⁶⁶ is an apocalyptic number.

100266 is an abundant number, since it is smaller than the sum of its proper divisors (112278).

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

100266 is a wasteful number, since it uses less digits than its factorization.

100266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 100266 is about 316.6480696294. The cubic root of 100266 is about 46.4570073198.

Adding to 100266 its reverse (662001), we get a palindrome (762267).

The spelling of 100266 in words is "one hundred thousand, two hundred sixty-six".