124042310405 has 16 divisors (see below), whose sum is σ = 164210611824. Its totient is φ = 89366315520.

The previous prime is 124042310401. The next prime is 124042310417. The reversal of 124042310405 is 504013240421.

It can be written as a sum of positive squares in 8 ways, for example, as 5562474724 + 118479835681 = 74582^2 + 344209^2 .

It is not a de Polignac number, because 124042310405 - 2² = 124042310401 is a prime.

It is a super-2 number, since 2×124042310405² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124042310401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23269814 + ... + 23275143.

It is an arithmetic number, because the mean of its divisors is an integer number (10263163239).

Almost surely, 2^124042310405 is an apocalyptic number.

It is an amenable number.

124042310405 is a deficient number, since it is larger than the sum of its proper divisors (40168301419).

124042310405 is a wasteful number, since it uses less digits than its factorization.

124042310405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46545016.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 124042310405 its reverse (504013240421), we get a palindrome (628055550826).

The spelling of 124042310405 in words is "one hundred twenty-four billion, forty-two million, three hundred ten thousand, four hundred five".