1268941746 has 16 divisors (see below), whose sum is σ = 2541354624. Its totient is φ = 422402064.

The previous prime is 1268941721. The next prime is 1268941757. The reversal of 1268941746 is 6471498621.

It is a super-2 number, since 2×1268941746² = 3220426309483057032, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268941695 and 1268941704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139866 + ... + 148661.

It is an arithmetic number, because the mean of its divisors is an integer number (158834664).

Almost surely, 2^1268941746 is an apocalyptic number.

1268941746 is an abundant number, since it is smaller than the sum of its proper divisors (1272412878).

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

1268941746 is a wasteful number, since it uses less digits than its factorization.

1268941746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289265.

The product of its digits is 580608, while the sum is 48.

The square root of 1268941746 is about 35622.2086064298. The cubic root of 1268941746 is about 1082.6312573142.

The spelling of 1268941746 in words is "one billion, two hundred sixty-eight million, nine hundred forty-one thousand, seven hundred forty-six".