201241 has 4 divisors (see below), whose sum is σ = 205092. Its totient is φ = 197392.

The previous prime is 201233. The next prime is 201247. The reversal of 201241 is 142102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57600 + 143641 = 240^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 201241 - 2³ = 201233 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201247) by changing a digit.

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, 1846 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (51273).

2²⁰¹²⁴¹ is an apocalyptic number.

It is an amenable number.

201241 is a deficient number, since it is larger than the sum of its proper divisors (3851).

201241 is an equidigital number, since it uses as much as digits as its factorization.

201241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201241 is about 448.5989300032. The cubic root of 201241 is about 58.6010623111.

Adding to 201241 its reverse (142102), we get a palindrome (343343).

The spelling of 201241 in words is "two hundred one thousand, two hundred forty-one", and thus it is an iban number.