104520105 has 16 divisors (see below), whose sum is σ = 185813760. Its totient is φ = 55743984.

The previous prime is 104520049. The next prime is 104520113. The reversal of 104520105 is 501025401.

It is not a de Polignac number, because 104520105 - 2¹⁵ = 104487337 is a prime.

It is a super-2 number, since 2×104520105² = 21848904698422050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386977 + ... + 387246.

It is an arithmetic number, because the mean of its divisors is an integer number (11613360).

Almost surely, 2^104520105 is an apocalyptic number.

104520105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104520105 is a deficient number, since it is larger than the sum of its proper divisors (81293655).

104520105 is an equidigital number, since it uses as much as digits as its factorization.

104520105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774237 (or 774231 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 104520105 is about 10223.5074705308. The cubic root of 104520105 is about 471.0495708304.

Adding to 104520105 its reverse (501025401), we get a palindrome (605545506).

The spelling of 104520105 in words is "one hundred four million, five hundred twenty thousand, one hundred five".