1268495912 has 16 divisors (see below), whose sum is σ = 2379283200. Its totient is φ = 634020400.

The previous prime is 1268495909. The next prime is 1268495923. The reversal of 1268495912 is 2195948621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464 + ... + 50487.

It is an arithmetic number, because the mean of its divisors is an integer number (148705200).

Almost surely, 2^1268495912 is an apocalyptic number.

It is an amenable number.

1268495912 is a deficient number, since it is larger than the sum of its proper divisors (1110787288).

1268495912 is a wasteful number, since it uses less digits than its factorization.

1268495912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56896 (or 56892 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The square root of 1268495912 is about 35615.9502470452. The cubic root of 1268495912 is about 1082.5044507673.

The spelling of 1268495912 in words is "one billion, two hundred sixty-eight million, four hundred ninety-five thousand, nine hundred twelve".