1124221 has 4 divisors (see below), whose sum is σ = 1284832. Its totient is φ = 963612.

The previous prime is 1124219. The next prime is 1124239. The reversal of 1124221 is 1224211.

It is a happy number.

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: 1224211 = 227 ⋅5393.

It is a cyclic number.

It is not a de Polignac number, because 1124221 - 2¹ = 1124219 is a prime.

It is a Duffinian number.

1124221 is a lucky number.

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 (1124251) 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, 80295 + ... + 80308.

It is an arithmetic number, because the mean of its divisors is an integer number (321208).

2^1124221 is an apocalyptic number.

It is an amenable number.

1124221 is a deficient number, since it is larger than the sum of its proper divisors (160611).

1124221 is an equidigital number, since it uses as much as digits as its factorization.

1124221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160610.

The product of its digits is 32, while the sum is 13.

The square root of 1124221 is about 1060.2928840655. The cubic root of 1124221 is about 103.9801799015.

Adding to 1124221 its reverse (1224211), we get a palindrome (2348432).

The spelling of 1124221 in words is "one million, one hundred twenty-four thousand, two hundred twenty-one".