1133021 has 4 divisors (see below), whose sum is σ = 1135200. Its totient is φ = 1130844.

The previous prime is 1133017. The next prime is 1133039. The reversal of 1133021 is 1203311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1203311 = 17 ⋅70783.

It is a cyclic number.

It is not a de Polignac number, because 1133021 - 2² = 1133017 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1132993 and 1133011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133071) 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 3 ways as a sum of consecutive naturals, for example, 200 + ... + 1518.

It is an arithmetic number, because the mean of its divisors is an integer number (283800).

2^1133021 is an apocalyptic number.

It is an amenable number.

1133021 is a deficient number, since it is larger than the sum of its proper divisors (2179).

1133021 is an equidigital number, since it uses as much as digits as its factorization.

1133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1133021 is about 1064.4345916965. The cubic root of 1133021 is about 104.2507816230.

Adding to 1133021 its reverse (1203311), we get a palindrome (2336332).

The spelling of 1133021 in words is "one million, one hundred thirty-three thousand, twenty-one".