1122243 has 8 divisors (see below), whose sum is σ = 1514688. Its totient is φ = 738984.

The previous prime is 1122241. The next prime is 1122259. The reversal of 1122243 is 3422211.

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

It is not a de Polignac number, because 1122243 - 2¹ = 1122241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122241) 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 7 ways as a sum of consecutive naturals, for example, 2005 + ... + 2502.

It is an arithmetic number, because the mean of its divisors is an integer number (189336).

2^1122243 is an apocalyptic number.

1122243 is a deficient number, since it is larger than the sum of its proper divisors (392445).

1122243 is an equidigital number, since it uses as much as digits as its factorization.

1122243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593.

The product of its digits is 96, while the sum is 15.

The square root of 1122243 is about 1059.3597122791. The cubic root of 1122243 is about 103.9191617870.

Adding to 1122243 its reverse (3422211), we get a palindrome (4544454).

Subtracting 1122243 from its reverse (3422211), we obtain a cube (2299968 = 132³).

The spelling of 1122243 in words is "one million, one hundred twenty-two thousand, two hundred forty-three".