1128211 has 8 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 948480.

The previous prime is 1128209. The next prime is 1128223.

1128211 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1128211 - 2¹ = 1128209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128251) 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, 1150 + ... + 1891.

It is an arithmetic number, because the mean of its divisors is an integer number (164268).

2^1128211 is an apocalyptic number.

1128211 is a deficient number, since it is larger than the sum of its proper divisors (185933).

1128211 is an equidigital number, since it uses as much as digits as its factorization.

1128211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101.

The product of its digits is 32, while the sum is 16.

The square root of 1128211 is about 1062.1727731400. The cubic root of 1128211 is about 104.1030475174.

The spelling of 1128211 in words is "one million, one hundred twenty-eight thousand, two hundred eleven".