504121099 has 2 divisors, whose sum is σ = 504121100. Its totient is φ = 504121098.

The previous prime is 504121081. The next prime is 504121127. The reversal of 504121099 is 990121405.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 504121099 - 2⁵ = 504121067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 504121099.

It is not a weakly prime, because it can be changed into another prime (504121399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252060549 + 252060550.

It is an arithmetic number, because the mean of its divisors is an integer number (252060550).

Almost surely, 2^504121099 is an apocalyptic number.

504121099 is a deficient number, since it is larger than the sum of its proper divisors (1).

504121099 is an equidigital number, since it uses as much as digits as its factorization.

504121099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 504121099 is about 22452.6412477463. The cubic root of 504121099 is about 795.8751745503.

The spelling of 504121099 in words is "five hundred four million, one hundred twenty-one thousand, ninety-nine".