105012115 has 16 divisors (see below), whose sum is σ = 137739168. Its totient is φ = 76386816.

The previous prime is 105012073. The next prime is 105012121. The reversal of 105012115 is 511210501.

It is a cyclic number.

It is not a de Polignac number, because 105012115 - 2²³ = 96623507 is a prime.

It is a super-2 number, since 2×105012115² = 22055088593546450, which 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7702 + ... + 16411.

It is an arithmetic number, because the mean of its divisors is an integer number (8608698).

Almost surely, 2^105012115 is an apocalyptic number.

105012115 is a deficient number, since it is larger than the sum of its proper divisors (32727053).

105012115 is a wasteful number, since it uses less digits than its factorization.

105012115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24198.

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 105012115 is about 10247.5419003779. The cubic root of 105012115 is about 471.7875417347.

Adding to 105012115 its reverse (511210501), we get a palindrome (616222616).

The spelling of 105012115 in words is "one hundred five million, twelve thousand, one hundred fifteen".