1224013403 has 2 divisors, whose sum is σ = 1224013404. Its totient is φ = 1224013402.

The previous prime is 1224013381. The next prime is 1224013423. The reversal of 1224013403 is 3043104221.

It is an a-pointer prime, because the next prime (1224013423) can be obtained adding 1224013403 to its sum of digits (20).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224013403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224013423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612006701 + 612006702.

It is an arithmetic number, because the mean of its divisors is an integer number (612006702).

Almost surely, 2^1224013403 is an apocalyptic number.

1224013403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224013403 is an equidigital number, since it uses as much as digits as its factorization.

1224013403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1224013403 is about 34985.9029181755. The cubic root of 1224013403 is about 1069.7001526832.

Adding to 1224013403 its reverse (3043104221), we get a palindrome (4267117624).

The spelling of 1224013403 in words is "one billion, two hundred twenty-four million, thirteen thousand, four hundred three".