123412127 has 2 divisors, whose sum is σ = 123412128. Its totient is φ = 123412126.

The previous prime is 123412099. The next prime is 123412169. The reversal of 123412127 is 721214321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123412127 - 2⁶ = 123412063 is a prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123402127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61706063 + 61706064.

It is an arithmetic number, because the mean of its divisors is an integer number (61706064).

Almost surely, 2^123412127 is an apocalyptic number.

123412127 is a deficient number, since it is larger than the sum of its proper divisors (1).

123412127 is an equidigital number, since it uses as much as digits as its factorization.

123412127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672, while the sum is 23.

The square root of 123412127 is about 11109.1010887470. The cubic root of 123412127 is about 497.8738074261.

Adding to 123412127 its reverse (721214321), we get a palindrome (844626448).

The spelling of 123412127 in words is "one hundred twenty-three million, four hundred twelve thousand, one hundred twenty-seven".