122243152 has 20 divisors (see below), whose sum is σ = 242355520. Its totient is φ = 59699808.

The previous prime is 122243129. The next prime is 122243159. The reversal of 122243152 is 251342221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122243159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88152 + ... + 89527.

It is an arithmetic number, because the mean of its divisors is an integer number (12117776).

Almost surely, 2^122243152 is an apocalyptic number.

It is an amenable number.

122243152 is a deficient number, since it is larger than the sum of its proper divisors (120112368).

122243152 is a wasteful number, since it uses less digits than its factorization.

122243152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177730 (or 177724 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 122243152 is about 11056.3625121466. The cubic root of 122243152 is about 496.2968436430.

Adding to 122243152 its reverse (251342221), we get a palindrome (373585373).

It can be divided in two parts, 12224 and 3152, that added together give a square (15376 = 124²).

The spelling of 122243152 in words is "one hundred twenty-two million, two hundred forty-three thousand, one hundred fifty-two".