1018123 has 2 divisors, whose sum is σ = 1018124. Its totient is φ = 1018122.

The previous prime is 1018109. The next prime is 1018177. The reversal of 1018123 is 3218101.

1018123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1018123 - 2⁵ = 1018091 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1018097 and 1018106.

It is not a weakly prime, because it can be changed into another prime (1018223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509061 + 509062.

It is an arithmetic number, because the mean of its divisors is an integer number (509062).

2^1018123 is an apocalyptic number.

1018123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018123 is an equidigital number, since it uses as much as digits as its factorization.

1018123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1018123 is about 1009.0208124712. The cubic root of 1018123 is about 100.6004869368.

The spelling of 1018123 in words is "one million, eighteen thousand, one hundred twenty-three".