1113201 has 12 divisors (see below), whose sum is σ = 1619280. Its totient is φ = 736920.

The previous prime is 1113199. The next prime is 1113221. The reversal of 1113201 is 1023111.

It is not a de Polignac number, because 1113201 - 2¹ = 1113199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

1113201 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1113221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1266 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (134940).

2^1113201 is an apocalyptic number.

It is an amenable number.

1113201 is a deficient number, since it is larger than the sum of its proper divisors (506079).

1113201 is a wasteful number, since it uses less digits than its factorization.

1113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1113201 is about 1055.0834090251. The cubic root of 1113201 is about 103.6393139007.

Adding to 1113201 its reverse (1023111), we get a palindrome (2136312).

The spelling of 1113201 in words is "one million, one hundred thirteen thousand, two hundred one".