109201 has 2 divisors, whose sum is σ = 109202. Its totient is φ = 109200.

The previous prime is 109199. The next prime is 109211. The reversal of 109201 is 102901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104976 + 4225 = 324^2 + 65^2 .

It is a cyclic number.

It is not a de Polignac number, because 109201 - 2¹ = 109199 is a prime.

Together with 109199, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (109211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54600 + 54601.

It is an arithmetic number, because the mean of its divisors is an integer number (54601).

2¹⁰⁹²⁰¹ is an apocalyptic number.

It is an amenable number.

109201 is a deficient number, since it is larger than the sum of its proper divisors (1).

109201 is an equidigital number, since it uses as much as digits as its factorization.

109201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 109201 is about 330.4557459025. The cubic root of 109201 is about 47.7979061074.

The spelling of 109201 in words is "one hundred nine thousand, two hundred one".