1279934112 has 48 divisors (see below), whose sum is σ = 3405870720. Its totient is φ = 420797952.

The previous prime is 1279934083. The next prime is 1279934113. The reversal of 1279934112 is 2114399721.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1279934112² = 3276462662122457088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1279934113) 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 7 ways as a sum of consecutive naturals, for example, 84312 + ... + 98327.

It is an arithmetic number, because the mean of its divisors is an integer number (70955640).

Almost surely, 2^1279934112 is an apocalyptic number.

1279934112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1279934112 is an abundant number, since it is smaller than the sum of its proper divisors (2125936608).

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

1279934112 is a wasteful number, since it uses less digits than its factorization.

1279934112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182725 (or 182717 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 1279934112 is about 35776.1668153535. The cubic root of 1279934112 is about 1085.7484163654.

The spelling of 1279934112 in words is "one billion, two hundred seventy-nine million, nine hundred thirty-four thousand, one hundred twelve".