1268369885 has 16 divisors (see below), whose sum is σ = 1543069440. Its totient is φ = 1000708800.

The previous prime is 1268369863. The next prime is 1268369911. The reversal of 1268369885 is 5889638621.

It is not a de Polignac number, because 1268369885 - 2⁸ = 1268369629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1268369885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 572039 + ... + 574251.

It is an arithmetic number, because the mean of its divisors is an integer number (96441840).

Almost surely, 2^1268369885 is an apocalyptic number.

It is an amenable number.

1268369885 is a deficient number, since it is larger than the sum of its proper divisors (274699555).

1268369885 is a wasteful number, since it uses less digits than its factorization.

1268369885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748.

The product of its digits is 4976640, while the sum is 56.

The square root of 1268369885 is about 35614.1809536595. The cubic root of 1268369885 is about 1082.4686000916.

The spelling of 1268369885 in words is "one billion, two hundred sixty-eight million, three hundred sixty-nine thousand, eight hundred eighty-five".