9090105 has 16 divisors (see below), whose sum is σ = 14581824. Its totient is φ = 4835520.

The previous prime is 9090061. The next prime is 9090127. The reversal of 9090105 is 5010909.

It is a happy number.

It is not a de Polignac number, because 9090105 - 2⁶ = 9090041 is a prime.

It is a super-2 number, since 2×9090105² = 165260017822050, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9927 + ... + 10803.

It is an arithmetic number, because the mean of its divisors is an integer number (911364).

Almost surely, 2^9090105 is an apocalyptic number.

It is an amenable number.

9090105 is a deficient number, since it is larger than the sum of its proper divisors (5491719).

9090105 is a wasteful number, since it uses less digits than its factorization.

9090105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 9090105 is about 3014.9800994368. The cubic root of 9090105 is about 208.7002487005.

The spelling of 9090105 in words is "nine million, ninety thousand, one hundred five".