201243041 has 16 divisors (see below), whose sum is σ = 222412800. Its totient is φ = 181342800.

The previous prime is 201243011. The next prime is 201243043. The reversal of 201243041 is 140342102.

It is a cyclic number.

It is not a de Polignac number, because 201243041 - 2¹⁰ = 201242017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (201243043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31856 + ... + 37646.

It is an arithmetic number, because the mean of its divisors is an integer number (13900800).

Almost surely, 2^201243041 is an apocalyptic number.

It is an amenable number.

201243041 is a deficient number, since it is larger than the sum of its proper divisors (21169759).

201243041 is a wasteful number, since it uses less digits than its factorization.

201243041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 201243041 is about 14186.0156844690. The cubic root of 201243041 is about 586.0126042244.

Adding to 201243041 its reverse (140342102), we get a palindrome (341585143).

The spelling of 201243041 in words is "two hundred one million, two hundred forty-three thousand, forty-one".