1100201 has 4 divisors (see below), whose sum is σ = 1108992.
Its totient is φ = 1091412.
The previous prime is 1100179. The next prime is 1100213. The reversal of 1100201 is 1020011.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 1100201 - 210 = 1099177 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1100261) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4205 + ... + 4458.
It is an arithmetic number, because the mean of its divisors is an integer number (277248).
21100201 is an apocalyptic number.
It is an amenable number.
1100201 is a deficient number, since it is larger than the sum of its proper divisors (8791).
1100201 is an equidigital number, since it uses as much as digits as its factorization.
1100201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8790.
The product of its (nonzero) digits is 2, while the sum is 5.
The square root of 1100201 is about 1048.9046667834.
The cubic root of 1100201 is about 103.2342986870.
Adding to 1100201 its reverse (1020011), we get a palindrome (2120212).
Multiplying 1100201 by its reverse (1020011), we get a palindrome (1122217122211).
The spelling of 1100201 in words is "one million, one hundred thousand, two hundred one".