1268884354 has 16 divisors (see below), whose sum is σ = 1929223296. Its totient is φ = 625852800.

The previous prime is 1268884349. The next prime is 1268884367. The reversal of 1268884354 is 4534888621.

It is a super-2 number, since 2×1268884354² = 3220135007651994632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268884298 and 1268884307.

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 7 ways as a sum of consecutive naturals, for example, 49819 + ... + 70849.

It is an arithmetic number, because the mean of its divisors is an integer number (120576456).

Almost surely, 2^1268884354 is an apocalyptic number.

1268884354 is a deficient number, since it is larger than the sum of its proper divisors (660338942).

1268884354 is a wasteful number, since it uses less digits than its factorization.

1268884354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21441.

The product of its digits is 1474560, while the sum is 49.

The square root of 1268884354 is about 35621.4030324467. The cubic root of 1268884354 is about 1082.6149352332.

The spelling of 1268884354 in words is "one billion, two hundred sixty-eight million, eight hundred eighty-four thousand, three hundred fifty-four".