1211133 has 32 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 623280.

The previous prime is 1211087. The next prime is 1211141. The reversal of 1211133 is 3311121.

It is not a de Polignac number, because 1211133 - 2⁸ = 1210877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11266 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2^1211133 is an apocalyptic number.

It is an amenable number.

1211133 is a deficient number, since it is larger than the sum of its proper divisors (862467).

1211133 is a wasteful number, since it uses less digits than its factorization.

1211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 128 counting only the distinct ones).

The product of its digits is 18, while the sum is 12.

The square root of 1211133 is about 1100.5148794996. The cubic root of 1211133 is about 106.5934730072.

Subtracting from 1211133 its sum of digits (12), we obtain a palindrome (1211121).

Adding to 1211133 its reverse (3311121), we get a palindrome (4522254).

The spelling of 1211133 in words is "one million, two hundred eleven thousand, one hundred thirty-three".