1224023013 has 12 divisors (see below), whose sum is σ = 1769141088. Its totient is φ = 815504040.

The previous prime is 1224022991. The next prime is 1224023023. The reversal of 1224023013 is 3103204221.

It is not a de Polignac number, because 1224023013 - 2⁶ = 1224022949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224023023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27153 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (147428424).

Almost surely, 2^1224023013 is an apocalyptic number.

It is an amenable number.

1224023013 is a deficient number, since it is larger than the sum of its proper divisors (545118075).

1224023013 is a wasteful number, since it uses less digits than its factorization.

1224023013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85224 (or 85221 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1224023013 is about 34986.0402589376. The cubic root of 1224023013 is about 1069.7029521600.

Adding to 1224023013 its reverse (3103204221), we get a palindrome (4327227234).

It can be divided in two parts, 12240 and 23013, that added together give a palindrome (35253).

The spelling of 1224023013 in words is "one billion, two hundred twenty-four million, twenty-three thousand, thirteen".