1268195122 has 16 divisors (see below), whose sum is σ = 1922469120. Its totient is φ = 627383232.

The previous prime is 1268195119. The next prime is 1268195141. The reversal of 1268195122 is 2215918621.

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, 324154 + ... + 328042.

It is an arithmetic number, because the mean of its divisors is an integer number (120154320).

Almost surely, 2^1268195122 is an apocalyptic number.

1268195122 is a deficient number, since it is larger than the sum of its proper divisors (654273998).

1268195122 is a wasteful number, since it uses less digits than its factorization.

1268195122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577.

The product of its digits is 17280, while the sum is 37.

The square root of 1268195122 is about 35611.7273099747. The cubic root of 1268195122 is about 1082.4188816429.

The spelling of 1268195122 in words is "one billion, two hundred sixty-eight million, one hundred ninety-five thousand, one hundred twenty-two".