201187 has 8 divisors (see below), whose sum is σ = 235872. Its totient is φ = 168000.

The previous prime is 201167. The next prime is 201193. The reversal of 201187 is 781102.

201187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-201187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201107) 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, 64 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2²⁰¹¹⁸⁷ is an apocalyptic number.

201187 is a deficient number, since it is larger than the sum of its proper divisors (34685).

201187 is an equidigital number, since it uses as much as digits as its factorization.

201187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 201187 is about 448.5387385723. The cubic root of 201187 is about 58.5958202706.

Adding to 201187 its reverse (781102), we get a palindrome (982289).

The spelling of 201187 in words is "two hundred one thousand, one hundred eighty-seven".