124322005 has 4 divisors (see below), whose sum is σ = 149186412. Its totient is φ = 99457600.

The previous prime is 124321973. The next prime is 124322041. The reversal of 124322005 is 500223421.

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 14638276 + 109683729 = 3826^2 + 10473^2 .

It is not a de Polignac number, because 124322005 - 2⁵ = 124321973 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, 12432196 + ... + 12432205.

It is an arithmetic number, because the mean of its divisors is an integer number (37296603).

Almost surely, 2^124322005 is an apocalyptic number.

It is an amenable number.

124322005 is a deficient number, since it is larger than the sum of its proper divisors (24864407).

124322005 is an equidigital number, since it uses as much as digits as its factorization.

124322005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24864406.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 124322005 is about 11149.9778026685. The cubic root of 124322005 is about 499.0943673159.

Adding to 124322005 its reverse (500223421), we get a palindrome (624545426).

The spelling of 124322005 in words is "one hundred twenty-four million, three hundred twenty-two thousand, five".