124110142205 has 24 divisors (see below), whose sum is σ = 173310963768. Its totient is φ = 85072985088.

The previous prime is 124110142187. The next prime is 124110142207. The reversal of 124110142205 is 502241011421.

It can be written as a sum of positive squares in 4 ways, for example, as 5045118841 + 119065023364 = 71029^2 + 345058^2 .

It is not a de Polignac number, because 124110142205 - 2³² = 119815174909 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 (124110142207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 589157 + ... + 771573.

It is an arithmetic number, because the mean of its divisors is an integer number (7221290157).

Almost surely, 2^124110142205 is an apocalyptic number.

It is an amenable number.

124110142205 is a deficient number, since it is larger than the sum of its proper divisors (49200821563).

124110142205 is a wasteful number, since it uses less digits than its factorization.

124110142205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185213 (or 185206 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 124110142205 its reverse (502241011421), we get a palindrome (626351153626).

The spelling of 124110142205 in words is "one hundred twenty-four billion, one hundred ten million, one hundred forty-two thousand, two hundred five".