1268053894 has 16 divisors (see below), whose sum is σ = 2012739840. Its totient is φ = 597917320.

The previous prime is 1268053883. The next prime is 1268053903. The reversal of 1268053894 is 4983508621.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190864 + ... + 197395.

It is an arithmetic number, because the mean of its divisors is an integer number (125796240).

Almost surely, 2^1268053894 is an apocalyptic number.

1268053894 is a deficient number, since it is larger than the sum of its proper divisors (744685946).

1268053894 is a wasteful number, since it uses less digits than its factorization.

1268053894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388355.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 1268053894 is about 35609.7443686416. The cubic root of 1268053894 is about 1082.3787002528.

The spelling of 1268053894 in words is "one billion, two hundred sixty-eight million, fifty-three thousand, eight hundred ninety-four".