201266 has 8 divisors (see below), whose sum is σ = 325164. Its totient is φ = 92880.

The previous prime is 201251. The next prime is 201281. The reversal of 201266 is 662102.

It is an interprime number because it is at equal distance from previous prime (201251) and next prime (201281).

It can be written as a sum of positive squares in 2 ways, for example, as 177241 + 24025 = 421^2 + 155^2 .

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

It is an unprimeable number.

201266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845 + ... + 3896.

2²⁰¹²⁶⁶ is an apocalyptic number.

201266 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

201266 is a deficient number, since it is larger than the sum of its proper divisors (123898).

201266 is a wasteful number, since it uses less digits than its factorization.

201266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 201266 is about 448.6267936715. The cubic root of 201266 is about 58.6034888642.

Adding to 201266 its reverse (662102), we get a palindrome (863368).

The spelling of 201266 in words is "two hundred one thousand, two hundred sixty-six".