201261 has 8 divisors (see below), whose sum is σ = 272320. Its totient is φ = 132192.

The previous prime is 201251. The next prime is 201281. The reversal of 201261 is 162102.

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

It is not a de Polignac number, because 201261 - 2¹⁰ = 200237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211) 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, 241 + ... + 678.

It is an arithmetic number, because the mean of its divisors is an integer number (34040).

2²⁰¹²⁶¹ is an apocalyptic number.

It is an amenable number.

201261 is a deficient number, since it is larger than the sum of its proper divisors (71059).

201261 is an equidigital number, since it uses as much as digits as its factorization.

201261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 201261 is about 448.6212210763. The cubic root of 201261 is about 58.6030035696.

Adding to 201261 its reverse (162102), we get a palindrome (363363).

The spelling of 201261 in words is "two hundred one thousand, two hundred sixty-one".