501421124105 has 16 divisors (see below), whose sum is σ = 656420272704. Its totient is φ = 364661887680.

The previous prime is 501421124093. The next prime is 501421124119.

It is a happy number.

501421124105 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 501421124105 - 2²⁸ = 501152688649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3766814 + ... + 3897656.

It is an arithmetic number, because the mean of its divisors is an integer number (41026267044).

Almost surely, 2^501421124105 is an apocalyptic number.

501421124105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

501421124105 is a deficient number, since it is larger than the sum of its proper divisors (154999148599).

501421124105 is a wasteful number, since it uses less digits than its factorization.

501421124105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200536.

The product of its (nonzero) digits is 1600, while the sum is 26.

It can be divided in two parts, 501421 and 124105, that added together give a palindrome (625526).

The spelling of 501421124105 in words is "five hundred one billion, four hundred twenty-one million, one hundred twenty-four thousand, one hundred five".