1117211 has 4 divisors (see below), whose sum is σ = 1120512. Its totient is φ = 1113912.

The previous prime is 1117199. The next prime is 1117243. The reversal of 1117211 is 1127111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117211 - 2¹⁰ = 1116187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117111) 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, 1076 + ... + 1841.

It is an arithmetic number, because the mean of its divisors is an integer number (280128).

2^1117211 is an apocalyptic number.

1117211 is a deficient number, since it is larger than the sum of its proper divisors (3301).

1117211 is an equidigital number, since it uses as much as digits as its factorization.

1117211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300.

The product of its digits is 14, while the sum is 14.

The square root of 1117211 is about 1056.9820244451. The cubic root of 1117211 is about 103.7636088018.

The spelling of 1117211 in words is "one million, one hundred seventeen thousand, two hundred eleven".