210001241 has 8 divisors (see below), whose sum is σ = 212372160. Its totient is φ = 207636912.

The previous prime is 210001219. The next prime is 210001271. The reversal of 210001241 is 142100012.

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

It is a cyclic number.

It is not a de Polignac number, because 210001241 - 2²⁶ = 142892377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210001271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89795 + ... + 92103.

It is an arithmetic number, because the mean of its divisors is an integer number (26546520).

Almost surely, 2^210001241 is an apocalyptic number.

It is an amenable number.

210001241 is a deficient number, since it is larger than the sum of its proper divisors (2370919).

210001241 is a wasteful number, since it uses less digits than its factorization.

210001241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 210001241 is about 14491.4195646941. The cubic root of 210001241 is about 594.3933661323.

Adding to 210001241 its reverse (142100012), we get a palindrome (352101253).

The spelling of 210001241 in words is "two hundred ten million, one thousand, two hundred forty-one".