1224532505 has 16 divisors (see below), whose sum is σ = 1681196160. Its totient is φ = 838760832.

The previous prime is 1224532481. The next prime is 1224532531. The reversal of 1224532505 is 5052354221.

It is not a de Polignac number, because 1224532505 - 2¹⁸ = 1224270361 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14126 + ... + 51464.

It is an arithmetic number, because the mean of its divisors is an integer number (105074760).

Almost surely, 2^1224532505 is an apocalyptic number.

It is an amenable number.

1224532505 is a deficient number, since it is larger than the sum of its proper divisors (456663655).

1224532505 is an equidigital number, since it uses as much as digits as its factorization.

1224532505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38288.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1224532505 is about 34993.3208627018. The cubic root of 1224532505 is about 1069.8513506487.

Adding to 1224532505 its reverse (5052354221), we get a palindrome (6276886726).

The spelling of 1224532505 in words is "one billion, two hundred twenty-four million, five hundred thirty-two thousand, five hundred five".