1268046208 has 144 divisors (see below), whose sum is σ = 3025571940. Its totient is φ = 524759040.

The previous prime is 1268046191. The next prime is 1268046211. The reversal of 1268046208 is 8026408621.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 17370460 + ... + 17370532.

Almost surely, 2^1268046208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1268046208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1512785970).

1268046208 is an abundant number, since it is smaller than the sum of its proper divisors (1757525732).

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

1268046208 is an equidigital number, since it uses as much as digits as its factorization.

1268046208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1268046208 is about 35609.6364485795. The cubic root of 1268046208 is about 1082.3765133900.

The spelling of 1268046208 in words is "one billion, two hundred sixty-eight million, forty-six thousand, two hundred eight".