104121130105 has 8 divisors (see below), whose sum is σ = 124961978952. Its totient is φ = 83285822208.

The previous prime is 104121130033. The next prime is 104121130117. The reversal of 104121130105 is 501031121401.

It can be written as a sum of positive squares in 4 ways, for example, as 2810696256 + 101310433849 = 53016^2 + 318293^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 104121130105 - 2¹⁵ = 104121097337 is a prime.

It is a super-2 number, since 2×104121130105² (a number of 23 digits) contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1343782 + ... + 1419151.

It is an arithmetic number, because the mean of its divisors is an integer number (15620247369).

Almost surely, 2^104121130105 is an apocalyptic number.

It is an amenable number.

104121130105 is a deficient number, since it is larger than the sum of its proper divisors (20840848847).

104121130105 is an equidigital number, since it uses as much as digits as its factorization.

104121130105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770475.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 104121130105 its reverse (501031121401), we get a palindrome (605152251506).

The spelling of 104121130105 in words is "one hundred four billion, one hundred twenty-one million, one hundred thirty thousand, one hundred five".