10809201 has 16 divisors (see below), whose sum is σ = 15853824. Its totient is φ = 6509184.

The previous prime is 10809179. The next prime is 10809221. The reversal of 10809201 is 10290801.

It is not a de Polignac number, because 10809201 - 2⁶ = 10809137 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10809221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (990864).

Almost surely, 2^10809201 is an apocalyptic number.

It is an amenable number.

10809201 is a deficient number, since it is larger than the sum of its proper divisors (5044623).

10809201 is a wasteful number, since it uses less digits than its factorization.

10809201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5960.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 10809201 is about 3287.7349345712. The cubic root of 10809201 is about 221.1046439042.

Subtracting from 10809201 its reverse (10290801), we obtain a square (518400 = 720²).

The spelling of 10809201 in words is "ten million, eight hundred nine thousand, two hundred one".