2105404105 has 8 divisors (see below), whose sum is σ = 2887411392. Its totient is φ = 1443705648.

The previous prime is 2105404087. The next prime is 2105404123. The reversal of 2105404105 is 5014045012.

It is an interprime number because it is at equal distance from previous prime (2105404087) and next prime (2105404123).

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

It is not a de Polignac number, because 2105404105 - 2⁵ = 2105404073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30077167 + ... + 30077236.

It is an arithmetic number, because the mean of its divisors is an integer number (360926424).

Almost surely, 2^2105404105 is an apocalyptic number.

It is an amenable number.

2105404105 is a deficient number, since it is larger than the sum of its proper divisors (782007287).

2105404105 is an equidigital number, since it uses as much as digits as its factorization.

2105404105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60154415.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2105404105 is about 45884.6826838761. The cubic root of 2105404105 is about 1281.6766977611.

Adding to 2105404105 its reverse (5014045012), we get a palindrome (7119449117).

The spelling of 2105404105 in words is "two billion, one hundred five million, four hundred four thousand, one hundred five".