123459 has 8 divisors (see below), whose sum is σ = 188160. Its totient is φ = 70536.

The previous prime is 123457. The next prime is 123479. The reversal of 123459 is 954321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123459 - 2¹ = 123457 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (123457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2919 + ... + 2960.

It is an arithmetic number, because the mean of its divisors is an integer number (23520).

2¹²³⁴⁵⁹ is an apocalyptic number.

123459 is a deficient number, since it is larger than the sum of its proper divisors (64701).

123459 is an equidigital number, since it uses as much as digits as its factorization.

123459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889.

The product of its digits is 1080, while the sum is 24.

The square root of 123459 is about 351.3673291585. The cubic root of 123459 is about 49.7936831716.

The spelling of 123459 in words is "one hundred twenty-three thousand, four hundred fifty-nine".