124324561 has 4 divisors (see below), whose sum is σ = 124354624. Its totient is φ = 124294500.

The previous prime is 124324523. The next prime is 124324573. The reversal of 124324561 is 165423421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165423421 = 3137 ⋅52733.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124324561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124324511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7605 + ... + 17506.

It is an arithmetic number, because the mean of its divisors is an integer number (31088656).

Almost surely, 2^124324561 is an apocalyptic number.

It is an amenable number.

124324561 is a deficient number, since it is larger than the sum of its proper divisors (30063).

124324561 is an equidigital number, since it uses as much as digits as its factorization.

124324561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30062.

The product of its digits is 5760, while the sum is 28.

The square root of 124324561 is about 11150.0924211416. The cubic root of 124324561 is about 499.0977876717.

Adding to 124324561 its reverse (165423421), we get a palindrome (289747982).

The spelling of 124324561 in words is "one hundred twenty-four million, three hundred twenty-four thousand, five hundred sixty-one".