124547 has 4 divisors (see below), whose sum is σ = 125280. Its totient is φ = 123816.

The previous prime is 124543. The next prime is 124561. The reversal of 124547 is 745421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 745421 = 41 ⋅18181.

It is a cyclic number.

It is not a de Polignac number, because 124547 - 2² = 124543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38 + ... + 500.

It is an arithmetic number, because the mean of its divisors is an integer number (31320).

2¹²⁴⁵⁴⁷ is an apocalyptic number.

124547 is a deficient number, since it is larger than the sum of its proper divisors (733).

124547 is an equidigital number, since it uses as much as digits as its factorization.

124547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 1120, while the sum is 23.

The square root of 124547 is about 352.9121703767. The cubic root of 124547 is about 49.9395268895.

Adding to 124547 its reverse (745421), we get a palindrome (869968).

It can be divided in two parts, 12454 and 7, that multiplied together give a palindrome (87178).

The spelling of 124547 in words is "one hundred twenty-four thousand, five hundred forty-seven".