124665 has 8 divisors (see below), whose sum is σ = 199488. Its totient is φ = 66480.

The previous prime is 124643. The next prime is 124669. The reversal of 124665 is 566421.

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

It is not a de Polignac number, because 124665 - 2⁵ = 124633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124669) 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, 4141 + ... + 4170.

It is an arithmetic number, because the mean of its divisors is an integer number (24936).

2¹²⁴⁶⁶⁵ is an apocalyptic number.

124665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

124665 is a deficient number, since it is larger than the sum of its proper divisors (74823).

124665 is an equidigital number, since it uses as much as digits as its factorization.

124665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8319.

The product of its digits is 1440, while the sum is 24.

The square root of 124665 is about 353.0793112036. The cubic root of 124665 is about 49.9552933716.

The spelling of 124665 in words is "one hundred twenty-four thousand, six hundred sixty-five".