505120612 has 6 divisors (see below), whose sum is σ = 883961078. Its totient is φ = 252560304.

The previous prime is 505120601. The next prime is 505120619. The reversal of 505120612 is 216021505.

It can be written as a sum of positive squares in only one way, i.e., 500685376 + 4435236 = 22376^2 + 2106^2 .

It is not an unprimeable number, because it can be changed into a prime (505120619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63140073 + ... + 63140080.

Almost surely, 2^505120612 is an apocalyptic number.

It is an amenable number.

505120612 is a deficient number, since it is larger than the sum of its proper divisors (378840466).

505120612 is a wasteful number, since it uses less digits than its factorization.

505120612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126280157 (or 126280155 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 505120612 is about 22474.8884758078. Note that the first 3 decimals coincide. The cubic root of 505120612 is about 796.4008170528.

The spelling of 505120612 in words is "five hundred five million, one hundred twenty thousand, six hundred twelve".