1268748335 has 16 divisors (see below), whose sum is σ = 1627718976. Its totient is φ = 946011648.

The previous prime is 1268748329. The next prime is 1268748353. The reversal of 1268748335 is 5338478621.

It is not a de Polignac number, because 1268748335 - 2⁴ = 1268748319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1268748335.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63704 + ... + 81213.

It is an arithmetic number, because the mean of its divisors is an integer number (101732436).

Almost surely, 2^1268748335 is an apocalyptic number.

1268748335 is a deficient number, since it is larger than the sum of its proper divisors (358970641).

1268748335 is a wasteful number, since it uses less digits than its factorization.

1268748335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145042.

The product of its digits is 967680, while the sum is 47.

The square root of 1268748335 is about 35619.4937499117. The cubic root of 1268748335 is about 1082.5762499470.

The spelling of 1268748335 in words is "one billion, two hundred sixty-eight million, seven hundred forty-eight thousand, three hundred thirty-five".