1266924768 has 48 divisors (see below), whose sum is σ = 3344302080. Its totient is φ = 419943296.

The previous prime is 1266924739. The next prime is 1266924787. The reversal of 1266924768 is 8674296621.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×1266924768³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1266924768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19680 + ... + 54047.

It is an arithmetic number, because the mean of its divisors is an integer number (69672960).

Almost surely, 2^1266924768 is an apocalyptic number.

It is an amenable number.

1266924768 is an abundant number, since it is smaller than the sum of its proper divisors (2077377312).

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

1266924768 is a wasteful number, since it uses less digits than its factorization.

1266924768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73919 (or 73911 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 1266924768 is about 35593.8866661116. The cubic root of 1266924768 is about 1082.0573403943.

The spelling of 1266924768 in words is "one billion, two hundred sixty-six million, nine hundred twenty-four thousand, seven hundred sixty-eight".