1282339072 has 72 divisors (see below), whose sum is σ = 2973545792. Its totient is φ = 540518400.

The previous prime is 1282339067. The next prime is 1282339073. The reversal of 1282339072 is 2709332821.

It is not an unprimeable number, because it can be changed into a prime (1282339073) 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, 103447 + ... + 115177.

Almost surely, 2^1282339072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1282339072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1486772896).

1282339072 is an abundant number, since it is smaller than the sum of its proper divisors (1691206720).

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

1282339072 is an equidigital number, since it uses as much as digits as its factorization.

1282339072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11815 (or 11801 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1282339072 is about 35809.7622443936. The cubic root of 1282339072 is about 1086.4280210801.

The spelling of 1282339072 in words is "one billion, two hundred eighty-two million, three hundred thirty-nine thousand, seventy-two".