201324187 has 2 divisors, whose sum is σ = 201324188. Its totient is φ = 201324186.

The previous prime is 201324161. The next prime is 201324191. The reversal of 201324187 is 781423102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201324187 - 2¹¹ = 201322139 is a prime.

It is not a weakly prime, because it can be changed into another prime (201324197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100662093 + 100662094.

It is an arithmetic number, because the mean of its divisors is an integer number (100662094).

Almost surely, 2^201324187 is an apocalyptic number.

201324187 is a deficient number, since it is larger than the sum of its proper divisors (1).

201324187 is an equidigital number, since it uses as much as digits as its factorization.

201324187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 201324187 is about 14188.8754663645. The cubic root of 201324187 is about 586.0913583990.

Adding to 201324187 its reverse (781423102), we get a palindrome (982747289).

The spelling of 201324187 in words is "two hundred one million, three hundred twenty-four thousand, one hundred eighty-seven".