1120221 has 12 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 707400.

The previous prime is 1120219. The next prime is 1120237. The reversal of 1120221 is 1220211.

It is not a de Polignac number, because 1120221 - 2¹ = 1120219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3105 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2^1120221 is an apocalyptic number.

It is an amenable number.

1120221 is a deficient number, since it is larger than the sum of its proper divisors (583299).

1120221 is a wasteful number, since it uses less digits than its factorization.

1120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6576 (or 6573 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1120221 is about 1058.4049319613. The cubic root of 1120221 is about 103.8567121902.

Adding to 1120221 its reverse (1220211), we get a palindrome (2340432).

The spelling of 1120221 in words is "one million, one hundred twenty thousand, two hundred twenty-one".