1224012464 has 20 divisors (see below), whose sum is σ = 2376074856. Its totient is φ = 610831872.

The previous prime is 1224012409. The next prime is 1224012469. The reversal of 1224012464 is 4642104221.

It is a super-3 number, since 3×1224012464³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1224012469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64769 + ... + 81504.

Almost surely, 2^1224012464 is an apocalyptic number.

It is an amenable number.

1224012464 is a deficient number, since it is larger than the sum of its proper divisors (1152062392).

1224012464 is a wasteful number, since it uses less digits than its factorization.

1224012464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146804 (or 146798 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 1224012464 is about 34985.8894984821. The cubic root of 1224012464 is about 1069.6998791435.

Adding to 1224012464 its reverse (4642104221), we get a palindrome (5866116685).

The spelling of 1224012464 in words is "one billion, two hundred twenty-four million, twelve thousand, four hundred sixty-four".