505415122 has 16 divisors (see below), whose sum is σ = 771732000. Its totient is φ = 248179680.

The previous prime is 505415093. The next prime is 505415147. The reversal of 505415122 is 221514505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199222 + ... + 201742.

It is an arithmetic number, because the mean of its divisors is an integer number (48233250).

Almost surely, 2^505415122 is an apocalyptic number.

505415122 is a deficient number, since it is larger than the sum of its proper divisors (266316878).

505415122 is a wasteful number, since it uses less digits than its factorization.

505415122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4281.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 505415122 is about 22481.4395001744. The cubic root of 505415122 is about 796.5555671788. Note that the first 4 decimals are identical.

Adding to 505415122 its reverse (221514505), we get a palindrome (726929627).

The spelling of 505415122 in words is "five hundred five million, four hundred fifteen thousand, one hundred twenty-two".