201401117 has 2 divisors, whose sum is σ = 201401118. Its totient is φ = 201401116.

The previous prime is 201401093. The next prime is 201401191. The reversal of 201401117 is 711104102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193043236 + 8357881 = 13894^2 + 2891^2 .

It is a cyclic number.

It is not a de Polignac number, because 201401117 - 2¹⁰ = 201400093 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 201401095 and 201401104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201401917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100700558 + 100700559.

It is an arithmetic number, because the mean of its divisors is an integer number (100700559).

Almost surely, 2^201401117 is an apocalyptic number.

It is an amenable number.

201401117 is a deficient number, since it is larger than the sum of its proper divisors (1).

201401117 is an equidigital number, since it uses as much as digits as its factorization.

201401117 is an evil number, because the sum of its binary digits is even.

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

The square root of 201401117 is about 14191.5861340444. The cubic root of 201401117 is about 586.1660013039.

Adding to 201401117 its reverse (711104102), we get a palindrome (912505219).

The spelling of 201401117 in words is "two hundred one million, four hundred one thousand, one hundred seventeen".