124105216541 has 16 divisors (see below), whose sum is σ = 128117913840. Its totient is φ = 120140267520.

The previous prime is 124105216427. The next prime is 124105216553. The reversal of 124105216541 is 145612501421.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 42540712516 + 81564504025 = 206254^2 + 285595^2 .

It is a cyclic number.

It is not a de Polignac number, because 124105216541 - 2¹⁰ = 124105215517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124105216498 and 124105216507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124105213541) 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, 18695675 + ... + 18702311.

It is an arithmetic number, because the mean of its divisors is an integer number (8007369615).

Almost surely, 2^124105216541 is an apocalyptic number.

It is an amenable number.

124105216541 is a deficient number, since it is larger than the sum of its proper divisors (4012697299).

124105216541 is a wasteful number, since it uses less digits than its factorization.

124105216541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10144.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 124105216541 its reverse (145612501421), we get a palindrome (269717717962).

The spelling of 124105216541 in words is "one hundred twenty-four billion, one hundred five million, two hundred sixteen thousand, five hundred forty-one".