124204322005 has 4 divisors (see below), whose sum is σ = 149045186412. Its totient is φ = 99363457600.

The previous prime is 124204321981. The next prime is 124204322051. The reversal of 124204322005 is 500223402421.

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 75419439876 + 48784882129 = 274626^2 + 220873^2 .

It is not a de Polignac number, because 124204322005 - 2⁵ = 124204321973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12420432196 + ... + 12420432205.

It is an arithmetic number, because the mean of its divisors is an integer number (37261296603).

Almost surely, 2^124204322005 is an apocalyptic number.

It is an amenable number.

124204322005 is a deficient number, since it is larger than the sum of its proper divisors (24840864407).

124204322005 is an equidigital number, since it uses as much as digits as its factorization.

124204322005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24840864406.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 124204322005 its reverse (500223402421), we get a palindrome (624427724426).

The spelling of 124204322005 in words is "one hundred twenty-four billion, two hundred four million, three hundred twenty-two thousand, five".