122340524436 has 72 divisors (see below), whose sum is σ = 334175117640. Its totient is φ = 37514721024.

The previous prime is 122340524381. The next prime is 122340524437. The reversal of 122340524436 is 634425043221.

122340524436 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 405 + 244 + 3 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21654888336 + 100685636100 = 147156^2 + 317310^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 122340524436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122340524437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308971 + ... + 583218.

Almost surely, 2^122340524436 is an apocalyptic number.

It is an amenable number.

122340524436 is an abundant number, since it is smaller than the sum of its proper divisors (211834593204).

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

122340524436 is a wasteful number, since it uses less digits than its factorization.

122340524436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892505 (or 892500 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 122340524436 its reverse (634425043221), we get a palindrome (756765567657).

The spelling of 122340524436 in words is "one hundred twenty-two billion, three hundred forty million, five hundred twenty-four thousand, four hundred thirty-six".