124024204105 has 4 divisors (see below), whose sum is σ = 148829044932. Its totient is φ = 99219363280.

The previous prime is 124024204103. The next prime is 124024204121. The reversal of 124024204105 is 501402420421.

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 46444129081 + 77580075024 = 215509^2 + 278532^2 .

It is not a de Polignac number, because 124024204105 - 2¹ = 124024204103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124024204105.

It is not an unprimeable number, because it can be changed into a prime (124024204103) 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, 12402420406 + ... + 12402420415.

It is an arithmetic number, because the mean of its divisors is an integer number (37207261233).

Almost surely, 2^124024204105 is an apocalyptic number.

It is an amenable number.

124024204105 is a deficient number, since it is larger than the sum of its proper divisors (24804840827).

124024204105 is an equidigital number, since it uses as much as digits as its factorization.

124024204105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24804840826.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 124024204105 its reverse (501402420421), we get a palindrome (625426624526).

The spelling of 124024204105 in words is "one hundred twenty-four billion, twenty-four million, two hundred four thousand, one hundred five".