122510540564 has 12 divisors (see below), whose sum is σ = 214395974100. Its totient is φ = 61254547968.

The previous prime is 122510540563. The next prime is 122510540569. The reversal of 122510540564 is 465045015221.

It can be written as a sum of positive squares in 2 ways, for example, as 30325436164 + 92185104400 = 174142^2 + 303620^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122510540563) 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, 431732 + ... + 656820.

It is an arithmetic number, because the mean of its divisors is an integer number (17866331175).

Almost surely, 2^122510540564 is an apocalyptic number.

It is an amenable number.

122510540564 is a deficient number, since it is larger than the sum of its proper divisors (91885433536).

122510540564 is a wasteful number, since it uses less digits than its factorization.

122510540564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361162 (or 361160 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 122510540564 its reverse (465045015221), we get a palindrome (587555555785).

The spelling of 122510540564 in words is "one hundred twenty-two billion, five hundred ten million, five hundred forty thousand, five hundred sixty-four".