509695122 has 16 divisors (see below), whose sum is σ = 1079354592. Its totient is φ = 159904320.

The previous prime is 509695099. The next prime is 509695127. The reversal of 509695122 is 221596905.

It is not an unprimeable number, because it can be changed into a prime (509695127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498404 + ... + 2498607.

It is an arithmetic number, because the mean of its divisors is an integer number (67459662).

Almost surely, 2^509695122 is an apocalyptic number.

509695122 is an abundant number, since it is smaller than the sum of its proper divisors (569659470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

509695122 is a wasteful number, since it uses less digits than its factorization.

509695122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4997033.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 509695122 is about 22576.4284597896. The cubic root of 509695122 is about 798.7977368175.

The spelling of 509695122 in words is "five hundred nine million, six hundred ninety-five thousand, one hundred twenty-two".