122361636 has 12 divisors (see below), whose sum is σ = 285510512. Its totient is φ = 40787208.

The previous prime is 122361623. The next prime is 122361637. The reversal of 122361636 is 636163221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (122361637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5098390 + ... + 5098413.

Almost surely, 2^122361636 is an apocalyptic number.

It is an amenable number.

122361636 is an abundant number, since it is smaller than the sum of its proper divisors (163148876).

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

122361636 is a wasteful number, since it uses less digits than its factorization.

122361636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10196810 (or 10196808 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 122361636 is about 11061.7193961879. The cubic root of 122361636 is about 496.4571368678.

The spelling of 122361636 in words is "one hundred twenty-two million, three hundred sixty-one thousand, six hundred thirty-six".