1268347976 has 32 divisors (see below), whose sum is σ = 2756177280. Its totient is φ = 535920000.

The previous prime is 1268347967. The next prime is 1268347979. The reversal of 1268347976 is 6797438621.

It is not an unprimeable number, because it can be changed into a prime (1268347979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155525 + ... + 163476.

It is an arithmetic number, because the mean of its divisors is an integer number (86130540).

Almost surely, 2^1268347976 is an apocalyptic number.

It is an amenable number.

1268347976 is an abundant number, since it is smaller than the sum of its proper divisors (1487829304).

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

1268347976 is a wasteful number, since it uses less digits than its factorization.

1268347976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319085 (or 319081 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The square root of 1268347976 is about 35613.8733641821. The cubic root of 1268347976 is about 1082.4623674351.

The spelling of 1268347976 in words is "one billion, two hundred sixty-eight million, three hundred forty-seven thousand, nine hundred seventy-six".