1184221 has 4 divisors (see below), whose sum is σ = 1186812. Its totient is φ = 1181632.

The previous prime is 1184219. The next prime is 1184243. The reversal of 1184221 is 1224811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 881721 = 550^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 1184221 - 2¹ = 1184219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1184291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (296703).

2^1184221 is an apocalyptic number.

It is an amenable number.

1184221 is a deficient number, since it is larger than the sum of its proper divisors (2591).

1184221 is an equidigital number, since it uses as much as digits as its factorization.

1184221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its digits is 128, while the sum is 19.

The square root of 1184221 is about 1088.2191874802. The cubic root of 1184221 is about 105.7980312264.

The spelling of 1184221 in words is "one million, one hundred eighty-four thousand, two hundred twenty-one".