505040122 has 8 divisors (see below), whose sum is σ = 757665216. Its totient is φ = 252485052.

The previous prime is 505040113. The next prime is 505040147. The reversal of 505040122 is 221040505.

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

It is a self number, because there is not a number n which added to its sum of digits gives 505040122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7903 + ... + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (94708152).

Almost surely, 2^505040122 is an apocalyptic number.

505040122 is a deficient number, since it is larger than the sum of its proper divisors (252625094).

505040122 is a wasteful number, since it uses less digits than its factorization.

505040122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35012.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 505040122 is about 22473.0977392971. The cubic root of 505040122 is about 796.3585131585.

Adding to 505040122 its reverse (221040505), we get a palindrome (726080627).

The spelling of 505040122 in words is "five hundred five million, forty thousand, one hundred twenty-two".