1268072683 has 4 divisors (see below), whose sum is σ = 1268601048. Its totient is φ = 1267544320.

The previous prime is 1268072677. The next prime is 1268072719. The reversal of 1268072683 is 3862708621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3862708621 = 29 ⋅133196849.

It is a cyclic number.

It is not a de Polignac number, because 1268072683 - 2⁹ = 1268072171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268072633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260566 + ... + 265387.

It is an arithmetic number, because the mean of its divisors is an integer number (317150262).

Almost surely, 2^1268072683 is an apocalyptic number.

1268072683 is a deficient number, since it is larger than the sum of its proper divisors (528365).

1268072683 is an equidigital number, since it uses as much as digits as its factorization.

1268072683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528364.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 1268072683 is about 35610.0081859019. The cubic root of 1268072683 is about 1082.3840461646.

The spelling of 1268072683 in words is "one billion, two hundred sixty-eight million, seventy-two thousand, six hundred eighty-three".