1229679424 has 28 divisors (see below), whose sum is σ = 2492069184. Its totient is φ = 601756544.

The previous prime is 1229679413. The next prime is 1229679427. The reversal of 1229679424 is 4249769221.

It is a super-2 number, since 2×1229679424² = 3024222971617943552, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229679427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201394 + ... + 207409.

Almost surely, 2^1229679424 is an apocalyptic number.

It is an amenable number.

1229679424 is an abundant number, since it is smaller than the sum of its proper divisors (1262389760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229679424 is an equidigital number, since it uses as much as digits as its factorization.

1229679424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408862 (or 408852 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 1229679424 is about 35066.7851962509. The cubic root of 1229679424 is about 1071.3481780373.

The spelling of 1229679424 in words is "one billion, two hundred twenty-nine million, six hundred seventy-nine thousand, four hundred twenty-four".