201873 has 8 divisors (see below), whose sum is σ = 307648. Its totient is φ = 115344.

The previous prime is 201847. The next prime is 201881. The reversal of 201873 is 378102.

201873 is an esthetic number in base 12, because in such base its adjacent digits differ by 1.

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

It is not a de Polignac number, because 201873 - 2⁶ = 201809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 9613 = 201873 / (2 + 0 + 1 + 8 + 7 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4786 + ... + 4827.

It is an arithmetic number, because the mean of its divisors is an integer number (38456).

2²⁰¹⁸⁷³ is an apocalyptic number.

It is an amenable number.

201873 is a deficient number, since it is larger than the sum of its proper divisors (105775).

201873 is an equidigital number, since it uses as much as digits as its factorization.

201873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9623.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 201873 is about 449.3027932252. The cubic root of 201873 is about 58.6623440054.

Adding to 201873 its reverse (378102), we get a palindrome (579975).

The spelling of 201873 in words is "two hundred one thousand, eight hundred seventy-three".