1282665460 has 12 divisors (see below), whose sum is σ = 2693597508. Its totient is φ = 513066176.

The previous prime is 1282665431. The next prime is 1282665497. The reversal of 1282665460 is 645662821.

It can be written as a sum of positive squares in 2 ways, for example, as 987719184 + 294946276 = 31428^2 + 17174^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32066617 + ... + 32066656.

It is an arithmetic number, because the mean of its divisors is an integer number (224466459).

Almost surely, 2^1282665460 is an apocalyptic number.

1282665460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1282665460 is an abundant number, since it is smaller than the sum of its proper divisors (1410932048).

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

1282665460 is a wasteful number, since it uses less digits than its factorization.

1282665460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64133282 (or 64133280 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 1282665460 is about 35814.3192033578. The cubic root of 1282665460 is about 1086.5201878079.

The spelling of 1282665460 in words is "one billion, two hundred eighty-two million, six hundred sixty-five thousand, four hundred sixty".