12140123 has 2 divisors, whose sum is σ = 12140124. Its totient is φ = 12140122.

The previous prime is 12140111. The next prime is 12140129. The reversal of 12140123 is 32104121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12140123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12140098 and 12140107.

It is not a weakly prime, because it can be changed into another prime (12140129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6070061 + 6070062.

It is an arithmetic number, because the mean of its divisors is an integer number (6070062).

Almost surely, 2^12140123 is an apocalyptic number.

12140123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12140123 is an equidigital number, since it uses as much as digits as its factorization.

12140123 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12140123 is about 3484.2679288482. The cubic root of 12140123 is about 229.8305178650.

Adding to 12140123 its reverse (32104121), we get a palindrome (44244244).

The spelling of 12140123 in words is "twelve million, one hundred forty thousand, one hundred twenty-three".