1279079424 has 220 divisors, whose sum is σ = 4367217184. Its totient is φ = 365285376.

The previous prime is 1279079407. The next prime is 1279079429. The reversal of 1279079424 is 4249709721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1279079424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279079429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 579507 + ... + 581709.

Almost surely, 2^1279079424 is an apocalyptic number.

1279079424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1279079424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2183608592).

1279079424 is an abundant number, since it is smaller than the sum of its proper divisors (3088137760).

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

1279079424 is an equidigital number, since it uses as much as digits as its factorization.

1279079424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 1279079424 is about 35764.2198852428. The cubic root of 1279079424 is about 1085.5066896584.

The spelling of 1279079424 in words is "one billion, two hundred seventy-nine million, seventy-nine thousand, four hundred twenty-four".