122144252 has 48 divisors (see below), whose sum is σ = 238059360. Its totient is φ = 54577152.

The previous prime is 122144251. The next prime is 122144261. The reversal of 122144252 is 252441221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122144251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107624 + ... + 108752.

It is an arithmetic number, because the mean of its divisors is an integer number (4959570).

Almost surely, 2^122144252 is an apocalyptic number.

It is an amenable number.

122144252 is a deficient number, since it is larger than the sum of its proper divisors (115915108).

122144252 is a wasteful number, since it uses less digits than its factorization.

122144252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230 (or 1228 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 122144252 is about 11051.8890692949. The cubic root of 122144252 is about 496.1629656576.

Adding to 122144252 its reverse (252441221), we get a palindrome (374585473).

The spelling of 122144252 in words is "one hundred twenty-two million, one hundred forty-four thousand, two hundred fifty-two".