201240601 has 2 divisors, whose sum is σ = 201240602. Its totient is φ = 201240600.

The previous prime is 201240553. The next prime is 201240619. The reversal of 201240601 is 106042102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110229001 + 91011600 = 10499^2 + 9540^2 .

It is a cyclic number.

It is not a de Polignac number, because 201240601 - 2⁹ = 201240089 is a prime.

It is not a weakly prime, because it can be changed into another prime (201240631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100620300 + 100620301.

It is an arithmetic number, because the mean of its divisors is an integer number (100620301).

Almost surely, 2^201240601 is an apocalyptic number.

It is an amenable number.

201240601 is a deficient number, since it is larger than the sum of its proper divisors (1).

201240601 is an equidigital number, since it uses as much as digits as its factorization.

201240601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 201240601 is about 14185.9296840214. The cubic root of 201240601 is about 586.0102358170.

Adding to 201240601 its reverse (106042102), we get a palindrome (307282703).

The spelling of 201240601 in words is "two hundred one million, two hundred forty thousand, six hundred one".