1268936242 has 48 divisors (see below), whose sum is σ = 2336489280. Its totient is φ = 513928800.

The previous prime is 1268936189. The next prime is 1268936269. The reversal of 1268936242 is 2426398621.

It is a super-2 number, since 2×1268936242² = 3220398372522165128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1230267 + ... + 1231297.

It is an arithmetic number, because the mean of its divisors is an integer number (48676860).

Almost surely, 2^1268936242 is an apocalyptic number.

1268936242 is a deficient number, since it is larger than the sum of its proper divisors (1067553038).

1268936242 is a wasteful number, since it uses less digits than its factorization.

1268936242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727 (or 1720 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 1268936242 is about 35622.1313511699. The cubic root of 1268936242 is about 1082.6296920174.

The spelling of 1268936242 in words is "one billion, two hundred sixty-eight million, nine hundred thirty-six thousand, two hundred forty-two".