1268099876 has 12 divisors (see below), whose sum is σ = 2225535900. Its totient is φ = 632232480.

The previous prime is 1268099873. The next prime is 1268099879. The reversal of 1268099876 is 6789908621.

It is an interprime number because it is at equal distance from previous prime (1268099873) and next prime (1268099879).

It can be written as a sum of positive squares in 2 ways, for example, as 819676900 + 448422976 = 28630^2 + 21176^2 .

It is a super-2 number, since 2×1268099876² = 3216154591022430752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268099873) 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, 452795 + ... + 455586.

It is an arithmetic number, because the mean of its divisors is an integer number (185461325).

Almost surely, 2^1268099876 is an apocalyptic number.

It is an amenable number.

1268099876 is a deficient number, since it is larger than the sum of its proper divisors (957436024).

1268099876 is a wasteful number, since it uses less digits than its factorization.

1268099876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908734 (or 908732 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 56.

The square root of 1268099876 is about 35610.3900006726. The cubic root of 1268099876 is about 1082.3917831183.

The spelling of 1268099876 in words is "one billion, two hundred sixty-eight million, ninety-nine thousand, eight hundred seventy-six".