122133636 has 48 divisors (see below), whose sum is σ = 323393280. Its totient is φ = 39843360.

The previous prime is 122133617. The next prime is 122133637. The reversal of 122133636 is 636331221.

It is a happy number.

122133636 is a `hidden beast` number, since 1 + 2 + 21 + 3 + 3 + 636 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (122133637) 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 15 ways as a sum of consecutive naturals, for example, 6955 + ... + 17106.

It is an arithmetic number, because the mean of its divisors is an integer number (6737360).

Almost surely, 2^122133636 is an apocalyptic number.

It is an amenable number.

122133636 is an abundant number, since it is smaller than the sum of its proper divisors (201259644).

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

122133636 is a wasteful number, since it uses less digits than its factorization.

122133636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24121 (or 24113 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 122133636 is about 11051.4087789747. The cubic root of 122133636 is about 496.1485908001.

Adding to 122133636 its reverse (636331221), we get a palindrome (758464857).

The spelling of 122133636 in words is "one hundred twenty-two million, one hundred thirty-three thousand, six hundred thirty-six".