1226730768 has 20 divisors (see below), whose sum is σ = 3169054608. Its totient is φ = 408910240.

The previous prime is 1226730751. The next prime is 1226730781. The reversal of 1226730768 is 8670376221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12778398 + ... + 12778493.

Almost surely, 2^1226730768 is an apocalyptic number.

It is an amenable number.

1226730768 is an abundant number, since it is smaller than the sum of its proper divisors (1942323840).

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

1226730768 is a wasteful number, since it uses less digits than its factorization.

1226730768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25556902 (or 25556896 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1226730768 is about 35024.7165299021. The cubic root of 1226730768 is about 1070.4911618195.

The spelling of 1226730768 in words is "one billion, two hundred twenty-six million, seven hundred thirty thousand, seven hundred sixty-eight".