505240502122 has 8 divisors (see below), whose sum is σ = 778343476356. Its totient is φ = 245792676672.

The previous prime is 505240501999. The next prime is 505240502183. The reversal of 505240502122 is 221205042505.

It can be written as a sum of positive squares in 2 ways, for example, as 357760693161 + 147479808961 = 598131^2 + 384031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 3413787103 + ... + 3413787250.

Almost surely, 2^505240502122 is an apocalyptic number.

505240502122 is a deficient number, since it is larger than the sum of its proper divisors (273102974234).

505240502122 is a wasteful number, since it uses less digits than its factorization.

505240502122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827574392.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 505240502122 its reverse (221205042505), we get a palindrome (726445544627).

The spelling of 505240502122 in words is "five hundred five billion, two hundred forty million, five hundred two thousand, one hundred twenty-two".