1268424985 has 16 divisors (see below), whose sum is σ = 1577060352. Its totient is φ = 978350400.

The previous prime is 1268424977. The next prime is 1268425001. The reversal of 1268424985 is 5894248621.

It is not a de Polignac number, because 1268424985 - 2³ = 1268424977 is a prime.

It is a Duffinian 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, 26907 + ... + 57103.

It is an arithmetic number, because the mean of its divisors is an integer number (98566272).

Almost surely, 2^1268424985 is an apocalyptic number.

It is an amenable number.

1268424985 is a deficient number, since it is larger than the sum of its proper divisors (308635367).

1268424985 is a wasteful number, since it uses less digits than its factorization.

1268424985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30504.

The product of its digits is 1105920, while the sum is 49.

The square root of 1268424985 is about 35614.9545135186. The cubic root of 1268424985 is about 1082.4842745823.

The spelling of 1268424985 in words is "one billion, two hundred sixty-eight million, four hundred twenty-four thousand, nine hundred eighty-five".