1268356996 has 9 divisors (see below), whose sum is σ = 2219749399. Its totient is φ = 634142884.

The previous prime is 1268356981. The next prime is 1268356997. The reversal of 1268356996 is 6996538621.

The square root of 1268356996 is 35614.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268356997) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 62325 + ... + 80131.

Almost surely, 2^1268356996 is an apocalyptic number.

1268356996 is the 35614-th square number.

It is an amenable number.

1268356996 is a deficient number, since it is larger than the sum of its proper divisors (951392403).

1268356996 is an frugal number, since it uses more digits than its factorization.

1268356996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35618 (or 17809 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 55.

The cubic root of 1268356996 is about 1082.4649334469.

The spelling of 1268356996 in words is "one billion, two hundred sixty-eight million, three hundred fifty-six thousand, nine hundred ninety-six".