12123104 has 24 divisors (see below), whose sum is σ = 27277488. Its totient is φ = 5195520.

The previous prime is 12123101. The next prime is 12123107. The reversal of 12123104 is 40132121.

It is an interprime number because it is at equal distance from previous prime (12123101) and next prime (12123107).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26837 + ... + 27284.

It is an arithmetic number, because the mean of its divisors is an integer number (1136562).

Almost surely, 2^12123104 is an apocalyptic number.

12123104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12123104 is an abundant number, since it is smaller than the sum of its proper divisors (15154384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123104 is an equidigital number, since it uses as much as digits as its factorization.

12123104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54138 (or 54130 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12123104 is about 3481.8248089184. The cubic root of 12123104 is about 229.7230693430.

Adding to 12123104 its reverse (40132121), we get a palindrome (52255225).

It can be divided in two parts, 121 and 23104, that multiplied together give a square (2795584 = 1672²).

The spelling of 12123104 in words is "twelve million, one hundred twenty-three thousand, one hundred four".