1224055 has 16 divisors (see below), whose sum is σ = 1721664. Its totient is φ = 817920.

The previous prime is 1224053. The next prime is 1224059. The reversal of 1224055 is 5504221.

It is not a de Polignac number, because 1224055 - 2¹ = 1224053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (107604).

2^1224055 is an apocalyptic number.

1224055 is a deficient number, since it is larger than the sum of its proper divisors (497609).

1224055 is an equidigital number, since it uses as much as digits as its factorization.

1224055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1224055 is about 1106.3701912109. The cubic root of 1224055 is about 106.9712270147.

Adding to 1224055 its reverse (5504221), we get a palindrome (6728276).

The spelling of 1224055 in words is "one million, two hundred twenty-four thousand, fifty-five".