2109201 has 8 divisors (see below), whose sum is σ = 2827200. Its totient is φ = 1398672.

The previous prime is 2109179. The next prime is 2109203. The reversal of 2109201 is 1029012.

It is a happy number.

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

It is not a de Polignac number, because 2109201 - 2¹⁰ = 2108177 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2109203) 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, 1170 + ... + 2363.

It is an arithmetic number, because the mean of its divisors is an integer number (353400).

2^2109201 is an apocalyptic number.

It is an amenable number.

2109201 is a deficient number, since it is larger than the sum of its proper divisors (717999).

2109201 is a wasteful number, since it uses less digits than its factorization.

2109201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2109201 is about 1452.3088514500. The cubic root of 2109201 is about 128.2446695534.

The spelling of 2109201 in words is "two million, one hundred nine thousand, two hundred one".