124044442505 has 16 divisors (see below), whose sum is σ = 149305731840. Its totient is φ = 98934096192.

The previous prime is 124044442447. The next prime is 124044442523. The reversal of 124044442505 is 505244440421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 124044442505 - 2¹⁰ = 124044441481 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10830692 + ... + 10842138.

It is an arithmetic number, because the mean of its divisors is an integer number (9331608240).

Almost surely, 2^124044442505 is an apocalyptic number.

It is an amenable number.

124044442505 is a deficient number, since it is larger than the sum of its proper divisors (25261289335).

124044442505 is a wasteful number, since it uses less digits than its factorization.

124044442505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17848.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 124044442505 its reverse (505244440421), we get a palindrome (629288882926).

The spelling of 124044442505 in words is "one hundred twenty-four billion, forty-four million, four hundred forty-two thousand, five hundred five".