124145 has 8 divisors (see below), whose sum is σ = 170304. Its totient is φ = 85104.

The previous prime is 124139. The next prime is 124147. The reversal of 124145 is 541421.

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

It is a cyclic number.

It is not a de Polignac number, because 124145 - 2¹⁰ = 123121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 13 and base 14.

It is not an unprimeable number, because it can be changed into a prime (124147) 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, 1739 + ... + 1808.

It is an arithmetic number, because the mean of its divisors is an integer number (21288).

2¹²⁴¹⁴⁵ is an apocalyptic number.

It is an amenable number.

124145 is a deficient number, since it is larger than the sum of its proper divisors (46159).

124145 is an equidigital number, since it uses as much as digits as its factorization.

124145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3559.

The product of its digits is 160, while the sum is 17.

The square root of 124145 is about 352.3421632448. The cubic root of 124145 is about 49.8857390878.

Adding to 124145 its reverse (541421), we get a palindrome (665566).

The spelling of 124145 in words is "one hundred twenty-four thousand, one hundred forty-five".