504441002121 has 48 divisors (see below), whose sum is σ = 822875770368. Its totient is φ = 273690144000.

The previous prime is 504441002083. The next prime is 504441002147. The reversal of 504441002121 is 121200144405.

It is not a de Polignac number, because 504441002121 - 2¹¹ = 504441000073 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 504441002091 and 504441002100.

It is not an unprimeable number, because it can be changed into a prime (504441002521) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 802780 + ... + 1285821.

It is an arithmetic number, because the mean of its divisors is an integer number (17143245216).

Almost surely, 2^504441002121 is an apocalyptic number.

It is an amenable number.

504441002121 is a deficient number, since it is larger than the sum of its proper divisors (318434768247).

504441002121 is a wasteful number, since it uses less digits than its factorization.

504441002121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088702 (or 2088695 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 504441002121 its reverse (121200144405), we get a palindrome (625641146526).

The spelling of 504441002121 in words is "five hundred four billion, four hundred forty-one million, two thousand, one hundred twenty-one".