1040123 has 6 divisors (see below), whose sum is σ = 1209996. Its totient is φ = 891492.

The previous prime is 1040119. The next prime is 1040141. The reversal of 1040123 is 3210401.

It is a happy number.

It is not a de Polignac number, because 1040123 - 2² = 1040119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10565 + ... + 10662.

It is an arithmetic number, because the mean of its divisors is an integer number (201666).

2^1040123 is an apocalyptic number.

1040123 is a deficient number, since it is larger than the sum of its proper divisors (169873).

1040123 is an equidigital number, since it uses as much as digits as its factorization.

1040123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21241 (or 21234 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1040123 is about 1019.8642066471. The cubic root of 1040123 is about 101.3199344107.

Adding to 1040123 its reverse (3210401), we get a palindrome (4250524).

The spelling of 1040123 in words is "one million, forty thousand, one hundred twenty-three".