1268826994 has 8 divisors (see below), whose sum is σ = 2015195868. Its totient is φ = 597095040.

The previous prime is 1268826989. The next prime is 1268827003. The reversal of 1268826994 is 4996288621.

It can be written as a sum of positive squares in 2 ways, for example, as 1220593969 + 48233025 = 34937^2 + 6945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18659187 + ... + 18659254.

Almost surely, 2^1268826994 is an apocalyptic number.

1268826994 is a deficient number, since it is larger than the sum of its proper divisors (746368874).

1268826994 is a wasteful number, since it uses less digits than its factorization.

1268826994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37318460.

The product of its digits is 2985984, while the sum is 55.

The square root of 1268826994 is about 35620.5978894235. The cubic root of 1268826994 is about 1082.5986217611.

The spelling of 1268826994 in words is "one billion, two hundred sixty-eight million, eight hundred twenty-six thousand, nine hundred ninety-four".