122542506 has 24 divisors (see below), whose sum is σ = 265714020. Its totient is φ = 40815936.

The previous prime is 122542463. The next prime is 122542513. The reversal of 122542506 is 605245221.

It can be written as a sum of positive squares in 2 ways, for example, as 98188281 + 24354225 = 9909^2 + 4935^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122542506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39790 + ... + 42758.

Almost surely, 2^122542506 is an apocalyptic number.

122542506 is an abundant number, since it is smaller than the sum of its proper divisors (143171514).

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

122542506 is a wasteful number, since it uses less digits than its factorization.

122542506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5270 (or 5267 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 122542506 is about 11069.8918693906. The cubic root of 122542506 is about 496.7016306982.

Adding to 122542506 its reverse (605245221), we get a palindrome (727787727).

The spelling of 122542506 in words is "one hundred twenty-two million, five hundred forty-two thousand, five hundred six".