201097 has 8 divisors (see below), whose sum is σ = 224000. Its totient is φ = 179280.

The previous prime is 201073. The next prime is 201101. The reversal of 201097 is 790102.

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 201097 - 2¹¹ = 199049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201007) 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, 154 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (28000).

2²⁰¹⁰⁹⁷ is an apocalyptic number.

It is an amenable number.

201097 is a deficient number, since it is larger than the sum of its proper divisors (22903).

201097 is a wasteful number, since it uses less digits than its factorization.

201097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 201097 is about 448.4384015670. The cubic root of 201097 is about 58.5870814515.

Adding to 201097 its reverse (790102), we get a palindrome (991199).

The spelling of 201097 in words is "two hundred one thousand, ninety-seven".