1068120005 has 4 divisors (see below), whose sum is σ = 1281744012. Its totient is φ = 854496000.

The previous prime is 1068119981. The next prime is 1068120071. The reversal of 1068120005 is 5000218601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5000218601 = 7 ⋅714316943.

It can be written as a sum of positive squares in 2 ways, for example, as 332734081 + 735385924 = 18241^2 + 27118^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1068120005 is a prime.

It is a super-2 number, since 2×1068120005² = 2281760690162400050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106811996 + ... + 106812005.

It is an arithmetic number, because the mean of its divisors is an integer number (320436003).

Almost surely, 2^1068120005 is an apocalyptic number.

It is an amenable number.

1068120005 is a deficient number, since it is larger than the sum of its proper divisors (213624007).

1068120005 is an equidigital number, since it uses as much as digits as its factorization.

1068120005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213624006.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1068120005 is about 32682.1052718456. The cubic root of 1068120005 is about 1022.2097437937.

Adding to 1068120005 its reverse (5000218601), we get a palindrome (6068338606).

The spelling of 1068120005 in words is "one billion, sixty-eight million, one hundred twenty thousand, five".