1224055039 has 4 divisors (see below), whose sum is σ = 1224755056. Its totient is φ = 1223355024.

The previous prime is 1224055013. The next prime is 1224055043. The reversal of 1224055039 is 9305504221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9305504221 = 13 ⋅715808017.

It is a cyclic number.

It is not a de Polignac number, because 1224055039 - 2⁷ = 1224054911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1224055039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224056039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347379 + ... + 350884.

It is an arithmetic number, because the mean of its divisors is an integer number (306188764).

Almost surely, 2^1224055039 is an apocalyptic number.

1224055039 is a deficient number, since it is larger than the sum of its proper divisors (700017).

1224055039 is an equidigital number, since it uses as much as digits as its factorization.

1224055039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700016.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1224055039 is about 34986.4979527817. The cubic root of 1224055039 is about 1069.7122815075.

The spelling of 1224055039 in words is "one billion, two hundred twenty-four million, fifty-five thousand, thirty-nine".