520634122 has 4 divisors (see below), whose sum is σ = 780951186. Its totient is φ = 260317060.

The previous prime is 520634117. The next prime is 520634123. The reversal of 520634122 is 221436025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 359064601 + 161569521 = 18949^2 + 12711^2 .

It is not an unprimeable number, because it can be changed into a prime (520634123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130158529 + ... + 130158532.

Almost surely, 2^520634122 is an apocalyptic number.

520634122 is a deficient number, since it is larger than the sum of its proper divisors (260317064).

520634122 is a wasteful number, since it uses less digits than its factorization.

520634122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260317063.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 520634122 is about 22817.4083103231. The cubic root of 520634122 is about 804.4718946621.

The spelling of 520634122 in words is "five hundred twenty million, six hundred thirty-four thousand, one hundred twenty-two".