124140405005 has 8 divisors (see below), whose sum is σ = 157731338232. Its totient is φ = 93470422528.

The previous prime is 124140404981. The next prime is 124140405023. The reversal of 124140405005 is 500504041421.

It can be written as a sum of positive squares in 4 ways, for example, as 36629749321 + 87510655684 = 191389^2 + 295822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124140405005 - 2²⁶ = 124073296141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730237592 + ... + 730237761.

It is an arithmetic number, because the mean of its divisors is an integer number (19716417279).

Almost surely, 2^124140405005 is an apocalyptic number.

It is an amenable number.

124140405005 is a deficient number, since it is larger than the sum of its proper divisors (33590933227).

124140405005 is a wasteful number, since it uses less digits than its factorization.

124140405005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460475375.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 124140405005 its reverse (500504041421), we get a palindrome (624644446426).

The spelling of 124140405005 in words is "one hundred twenty-four billion, one hundred forty million, four hundred five thousand, five".