1268319246 has 32 divisors (see below), whose sum is σ = 2607152640. Its totient is φ = 411181056.

The previous prime is 1268319233. The next prime is 1268319251. The reversal of 1268319246 is 6429138621.

It is a junction number, because it is equal to n+sod(n) for n = 1268319198 and 1268319207.

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, 11790 + ... + 51726.

It is an arithmetic number, because the mean of its divisors is an integer number (81473520).

Almost surely, 2^1268319246 is an apocalyptic number.

1268319246 is an abundant number, since it is smaller than the sum of its proper divisors (1338833394).

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

1268319246 is a wasteful number, since it uses less digits than its factorization.

1268319246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40088.

The product of its digits is 124416, while the sum is 42.

The square root of 1268319246 is about 35613.4700078496. The cubic root of 1268319246 is about 1082.4541942368.

The spelling of 1268319246 in words is "one billion, two hundred sixty-eight million, three hundred nineteen thousand, two hundred forty-six".