9876123 has 12 divisors (see below), whose sum is σ = 14305720. Its totient is φ = 6565536.

The previous prime is 9876109. The next prime is 9876137. The reversal of 9876123 is 3216789.

It is an interprime number because it is at equal distance from previous prime (9876109) and next prime (9876137).

It is not a de Polignac number, because 9876123 - 2⁴ = 9876107 is a prime.

It is a super-2 number, since 2×9876123² = 195075611022258, which contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9876103) 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 11 ways as a sum of consecutive naturals, for example, 2340 + ... + 5022.

Almost surely, 2^9876123 is an apocalyptic number.

9876123 is a deficient number, since it is larger than the sum of its proper divisors (4429597).

9876123 is a wasteful number, since it uses less digits than its factorization.

9876123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098 (or 3095 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 9876123 is about 3142.6299495804. The cubic root of 9876123 is about 214.5501537246.

It can be divided in two parts, 9876 and 123, that added together give a palindrome (9999).

The spelling of 9876123 in words is "nine million, eight hundred seventy-six thousand, one hundred twenty-three".