124424101 has 4 divisors (see below), whose sum is σ = 124446604. Its totient is φ = 124401600.

The previous prime is 124424099. The next prime is 124424129. The reversal of 124424101 is 101424421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84088900 + 40335201 = 9170^2 + 6351^2 .

It is a cyclic number.

It is not a de Polignac number, because 124424101 - 2¹ = 124424099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124424161) 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, 3421 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (31111651).

Almost surely, 2^124424101 is an apocalyptic number.

It is an amenable number.

124424101 is a deficient number, since it is larger than the sum of its proper divisors (22503).

124424101 is an equidigital number, since it uses as much as digits as its factorization.

124424101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22502.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 124424101 is about 11154.5551681813. Note that the first 3 decimals coincide. The cubic root of 124424101 is about 499.2309524047.

Adding to 124424101 its reverse (101424421), we get a palindrome (225848522).

The spelling of 124424101 in words is "one hundred twenty-four million, four hundred twenty-four thousand, one hundred one".