201125317 has 16 divisors (see below), whose sum is σ = 233919360. Its totient is φ = 171528192.

The previous prime is 201125311. The next prime is 201125333. The reversal of 201125317 is 713521102.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 201125317 - 2⁷ = 201125189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201125311) 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 in 15 ways as a sum of consecutive naturals, for example, 6108 + ... + 20965.

It is an arithmetic number, because the mean of its divisors is an integer number (14619960).

Almost surely, 2^201125317 is an apocalyptic number.

It is an amenable number.

201125317 is a deficient number, since it is larger than the sum of its proper divisors (32794043).

201125317 is a wasteful number, since it uses less digits than its factorization.

201125317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27132.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 201125317 is about 14181.8657799318. The cubic root of 201125317 is about 585.8983125631.

Adding to 201125317 its reverse (713521102), we get a palindrome (914646419).

The spelling of 201125317 in words is "two hundred one million, one hundred twenty-five thousand, three hundred seventeen".