1169221 has 4 divisors (see below), whose sum is σ = 1183392. Its totient is φ = 1155052.

The previous prime is 1169191. The next prime is 1169249. The reversal of 1169221 is 1229611.

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: 1229611 = 467 ⋅2633.

It is a cyclic number.

It is not a de Polignac number, because 1169221 - 2¹⁹ = 644933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1169192 and 1169201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169261) 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, 6961 + ... + 7126.

It is an arithmetic number, because the mean of its divisors is an integer number (295848).

2^1169221 is an apocalyptic number.

It is an amenable number.

1169221 is a deficient number, since it is larger than the sum of its proper divisors (14171).

1169221 is an equidigital number, since it uses as much as digits as its factorization.

1169221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14170.

The product of its digits is 216, while the sum is 22.

The square root of 1169221 is about 1081.3052298033. The cubic root of 1169221 is about 105.3494329483.

The spelling of 1169221 in words is "one million, one hundred sixty-nine thousand, two hundred twenty-one".