123086 has 4 divisors (see below), whose sum is σ = 184632. Its totient is φ = 61542.

The previous prime is 123083. The next prime is 123091. The reversal of 123086 is 680321.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 123086.

It is not an unprimeable number, because it can be changed into a prime (123083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30770 + ... + 30773.

It is an arithmetic number, because the mean of its divisors is an integer number (46158).

2¹²³⁰⁸⁶ is an apocalyptic number.

123086 is a deficient number, since it is larger than the sum of its proper divisors (61546).

123086 is an equidigital number, since it uses as much as digits as its factorization.

123086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61545.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 123086 is about 350.8361440901. The cubic root of 123086 is about 49.7434862645.

The spelling of 123086 in words is "one hundred twenty-three thousand, eighty-six".