122185252 has 24 divisors (see below), whose sum is σ = 247121280. Its totient is φ = 51775680.

The previous prime is 122185199. The next prime is 122185267. The reversal of 122185252 is 252581221.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 122185252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22024 + ... + 27007.

It is an arithmetic number, because the mean of its divisors is an integer number (10296720).

Almost surely, 2^122185252 is an apocalyptic number.

It is an amenable number.

122185252 is an abundant number, since it is smaller than the sum of its proper divisors (124936028).

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

122185252 is a wasteful number, since it uses less digits than its factorization.

122185252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49131 (or 49129 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 122185252 is about 11053.7438001792. The cubic root of 122185252 is about 496.2184749033.

The spelling of 122185252 in words is "one hundred twenty-two million, one hundred eighty-five thousand, two hundred fifty-two".