1168204042 has 8 divisors (see below), whose sum is σ = 1812730500. Its totient is φ = 563960544.

The previous prime is 1168204033. The next prime is 1168204073. The reversal of 1168204042 is 2404028611.

It is a Cunningham number, because it is equal to 34179²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1168204041 + 1 = 34179^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1168204042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10070667 + ... + 10070782.

Almost surely, 2^1168204042 is an apocalyptic number.

1168204042 is a deficient number, since it is larger than the sum of its proper divisors (644526458).

1168204042 is a wasteful number, since it uses less digits than its factorization.

1168204042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20141480.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 1168204042 is about 34179.0000146289. Note that the first 4 decimals coincide. The cubic root of 1168204042 is about 1053.1888069033.

The spelling of 1168204042 in words is "one billion, one hundred sixty-eight million, two hundred four thousand, forty-two".