201041117 has 2 divisors, whose sum is σ = 201041118. Its totient is φ = 201041116.

The previous prime is 201041053. The next prime is 201041119. The reversal of 201041117 is 711140102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146192281 + 54848836 = 12091^2 + 7406^2 .

It is a cyclic number.

It is not a de Polignac number, because 201041117 - 2⁶ = 201041053 is a prime.

Together with 201041119, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201041095 and 201041104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201041119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100520558 + 100520559.

It is an arithmetic number, because the mean of its divisors is an integer number (100520559).

Almost surely, 2^201041117 is an apocalyptic number.

It is an amenable number.

201041117 is a deficient number, since it is larger than the sum of its proper divisors (1).

201041117 is an equidigital number, since it uses as much as digits as its factorization.

201041117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 201041117 is about 14178.8968893916. The cubic root of 201041117 is about 585.8165401230.

Adding to 201041117 its reverse (711140102), we get a palindrome (912181219).

The spelling of 201041117 in words is "two hundred one million, forty-one thousand, one hundred seventeen".