9042105 has 16 divisors (see below), whose sum is σ = 15096960. Its totient is φ = 4612608.

The previous prime is 9042067. The next prime is 9042107. The reversal of 9042105 is 5012409.

It is not a de Polignac number, because 9042105 - 2¹⁸ = 8779961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9042107) by changing a digit.

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, 12760 + ... + 13449.

It is an arithmetic number, because the mean of its divisors is an integer number (943560).

Almost surely, 2^9042105 is an apocalyptic number.

It is an amenable number.

9042105 is a deficient number, since it is larger than the sum of its proper divisors (6054855).

9042105 is a wasteful number, since it uses less digits than its factorization.

9042105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26240.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 9042105 is about 3007.0093115918. The cubic root of 9042105 is about 208.3322552833.

It can be divided in two parts, 90 and 42105, that added together give a triangular number (42195 = T₂₉₀).

The spelling of 9042105 in words is "nine million, forty-two thousand, one hundred five".