1185221 has 8 divisors (see below), whose sum is σ = 1233024. Its totient is φ = 1138320.

The previous prime is 1185181. The next prime is 1185241. The reversal of 1185221 is 1225811.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1185221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1185193 and 1185202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1185241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3656 + ... + 3966.

It is an arithmetic number, because the mean of its divisors is an integer number (154128).

2^1185221 is an apocalyptic number.

It is an amenable number.

1185221 is a deficient number, since it is larger than the sum of its proper divisors (47803).

1185221 is a wasteful number, since it uses less digits than its factorization.

1185221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its digits is 160, while the sum is 20.

The square root of 1185221 is about 1088.6785567834. The cubic root of 1185221 is about 105.8278027710.

The spelling of 1185221 in words is "one million, one hundred eighty-five thousand, two hundred twenty-one".