1133121 has 8 divisors (see below), whose sum is σ = 1648224. Its totient is φ = 686720.

The previous prime is 1133071. The next prime is 1133131. The reversal of 1133121 is 1213311.

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 1133121 - 2⁷ = 1132993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1133097 and 1133106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17136 + ... + 17201.

It is an arithmetic number, because the mean of its divisors is an integer number (206028).

2^1133121 is an apocalyptic number.

1133121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1133121 is a deficient number, since it is larger than the sum of its proper divisors (515103).

1133121 is a wasteful number, since it uses less digits than its factorization.

1133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34351.

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

The square root of 1133121 is about 1064.4815639550. The cubic root of 1133121 is about 104.2538485775.

Adding to 1133121 its reverse (1213311), we get a palindrome (2346432).

The spelling of 1133121 in words is "one million, one hundred thirty-three thousand, one hundred twenty-one".