1268731282 has 16 divisors (see below), whose sum is σ = 2342273472. Its totient is φ = 501915600.

The previous prime is 1268731273. The next prime is 1268731283. The reversal of 1268731282 is 2821378621.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1268731283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485344 + ... + 3485707.

It is an arithmetic number, because the mean of its divisors is an integer number (146392092).

Almost surely, 2^1268731282 is an apocalyptic number.

1268731282 is a deficient number, since it is larger than the sum of its proper divisors (1073542190).

1268731282 is a wasteful number, since it uses less digits than its factorization.

1268731282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6971073.

The product of its digits is 64512, while the sum is 40.

The square root of 1268731282 is about 35619.2543717580. The cubic root of 1268731282 is about 1082.5713996929.

The spelling of 1268731282 in words is "one billion, two hundred sixty-eight million, seven hundred thirty-one thousand, two hundred eighty-two".