1268043772 has 12 divisors (see below), whose sum is σ = 2219489496. Its totient is φ = 633903920.

The previous prime is 1268043769. The next prime is 1268043781. The reversal of 1268043772 is 2773408621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578 + ... + 50425.

It is an arithmetic number, because the mean of its divisors is an integer number (184957458).

Almost surely, 2^1268043772 is an apocalyptic number.

It is an amenable number.

1268043772 is a deficient number, since it is larger than the sum of its proper divisors (951445724).

1268043772 is a wasteful number, since it uses less digits than its factorization.

1268043772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58988 (or 58986 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 1268043772 is about 35609.6022443385. The cubic root of 1268043772 is about 1082.3758202841.

The spelling of 1268043772 in words is "one billion, two hundred sixty-eight million, forty-three thousand, seven hundred seventy-two".