1224052447 has 12 divisors (see below), whose sum is σ = 1293693120. Its totient is φ = 1157990112.

The previous prime is 1224052439. The next prime is 1224052469. The reversal of 1224052447 is 7442504221.

It is not a de Polignac number, because 1224052447 - 2³ = 1224052439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224052477) 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 11 ways as a sum of consecutive naturals, for example, 309579 + ... + 313507.

It is an arithmetic number, because the mean of its divisors is an integer number (107807760).

Almost surely, 2^1224052447 is an apocalyptic number.

1224052447 is a deficient number, since it is larger than the sum of its proper divisors (69640673).

1224052447 is an equidigital number, since it uses as much as digits as its factorization.

1224052447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830 (or 4811 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 1224052447 is about 34986.4609099006. The cubic root of 1224052447 is about 1069.7115264499.

Adding to 1224052447 its reverse (7442504221), we get a palindrome (8666556668).

The spelling of 1224052447 in words is "one billion, two hundred twenty-four million, fifty-two thousand, four hundred forty-seven".