513102122 has 16 divisors (see below), whose sum is σ = 836908800. Its totient is φ = 234515952.

The previous prime is 513102113. The next prime is 513102179. The reversal of 513102122 is 221201315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 513102122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93122 + ... + 98477.

It is an arithmetic number, because the mean of its divisors is an integer number (52306800).

Almost surely, 2^513102122 is an apocalyptic number.

513102122 is a deficient number, since it is larger than the sum of its proper divisors (323806678).

513102122 is a wasteful number, since it uses less digits than its factorization.

513102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191717.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 513102122 is about 22651.7575918515. The cubic root of 513102122 is about 800.5736104905.

Adding to 513102122 its reverse (221201315), we get a palindrome (734303437).

The spelling of 513102122 in words is "five hundred thirteen million, one hundred two thousand, one hundred twenty-two".