509122 has 8 divisors (see below), whose sum is σ = 773136. Its totient is φ = 251412.

The previous prime is 509101. The next prime is 509123. The reversal of 509122 is 221905.

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 509122.

It is not an unprimeable number, because it can be changed into a prime (509123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (96642).

2⁵⁰⁹¹²² is an apocalyptic number.

509122 is a deficient number, since it is larger than the sum of its proper divisors (264014).

509122 is a wasteful number, since it uses less digits than its factorization.

509122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3152.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 509122 is about 713.5278550975. The cubic root of 509122 is about 79.8498224268.

The spelling of 509122 in words is "five hundred nine thousand, one hundred twenty-two".