201190117 has 8 divisors (see below), whose sum is σ = 205445016. Its totient is φ = 196975872.

The previous prime is 201190111. The next prime is 201190123. The reversal of 201190117 is 711091102.

It is an interprime number because it is at equal distance from previous prime (201190111) and next prime (201190123).

It can be written as a sum of positive squares in 4 ways, for example, as 19236996 + 181953121 = 4386^2 + 13489^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201190117 - 2²³ = 192801509 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 (201190111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58 + ... + 20059.

It is an arithmetic number, because the mean of its divisors is an integer number (25680627).

Almost surely, 2^201190117 is an apocalyptic number.

It is an amenable number.

201190117 is a deficient number, since it is larger than the sum of its proper divisors (4254899).

201190117 is a wasteful number, since it uses less digits than its factorization.

201190117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20327.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 201190117 is about 14184.1502036604. The cubic root of 201190117 is about 585.9612287829.

The spelling of 201190117 in words is "two hundred one million, one hundred ninety thousand, one hundred seventeen".