18126127 has 2 divisors, whose sum is σ = 18126128. Its totient is φ = 18126126.

The previous prime is 18126079. The next prime is 18126149. The reversal of 18126127 is 72162181.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18126127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18126095 and 18126104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18126187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9063063 + 9063064.

It is an arithmetic number, because the mean of its divisors is an integer number (9063064).

Almost surely, 2^18126127 is an apocalyptic number.

18126127 is a deficient number, since it is larger than the sum of its proper divisors (1).

18126127 is an equidigital number, since it uses as much as digits as its factorization.

18126127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 28.

The square root of 18126127 is about 4257.4789488616. The cubic root of 18126127 is about 262.6848379197.

The spelling of 18126127 in words is "eighteen million, one hundred twenty-six thousand, one hundred twenty-seven".