1224040353503 has 8 divisors (see below), whose sum is σ = 1336255147776. Its totient is φ = 1111981959000.

The previous prime is 1224040353493. The next prime is 1224040353517. The reversal of 1224040353503 is 3053530404221.

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

It is a de Polignac number, because none of the positive numbers 2^k-1224040353503 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 1224040353503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224040353203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39083573 + ... + 39114878.

It is an arithmetic number, because the mean of its divisors is an integer number (167031893472).

Almost surely, 2^{1224040353503} is an apocalyptic number.

1224040353503 is a deficient number, since it is larger than the sum of its proper divisors (112214794273).

1224040353503 is a wasteful number, since it uses less digits than its factorization.

1224040353503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78199885.

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 1224040353503 its reverse (3053530404221), we get a palindrome (4277570757724).

The spelling of 1224040353503 in words is "one trillion, two hundred twenty-four billion, forty million, three hundred fifty-three thousand, five hundred three".