9042123 has 4 divisors (see below), whose sum is σ = 12056168. Its totient is φ = 6028080.

The previous prime is 9042109. The next prime is 9042127. The reversal of 9042123 is 3212409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3212409 = 3 ⋅1070803.

It is not a de Polignac number, because 9042123 - 2⁴ = 9042107 is a prime.

It is a super-3 number, since 3×9042123³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9042123.

It is not an unprimeable number, because it can be changed into a prime (9042127) 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 3 ways as a sum of consecutive naturals, for example, 1507018 + ... + 1507023.

It is an arithmetic number, because the mean of its divisors is an integer number (3014042).

Almost surely, 2^9042123 is an apocalyptic number.

9042123 is a deficient number, since it is larger than the sum of its proper divisors (3014045).

9042123 is a wasteful number, since it uses less digits than its factorization.

9042123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014044.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 9042123 is about 3007.0123045974. The cubic root of 9042123 is about 208.3323935246.

The spelling of 9042123 in words is "nine million, forty-two thousand, one hundred twenty-three".