121444422 has 32 divisors (see below), whose sum is σ = 273521664. Its totient is φ = 35613600.

The previous prime is 121444417. The next prime is 121444423. The reversal of 121444422 is 224444121.

It is a junction number, because it is equal to n+sod(n) for n = 121444392 and 121444401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121444423) 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, 27633 + ... + 31724.

It is an arithmetic number, because the mean of its divisors is an integer number (8547552).

Almost surely, 2^121444422 is an apocalyptic number.

121444422 is an abundant number, since it is smaller than the sum of its proper divisors (152077242).

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

121444422 is a wasteful number, since it uses less digits than its factorization.

121444422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59404.

The product of its digits is 2048, while the sum is 24.

The square root of 121444422 is about 11020.1824848775. The cubic root of 121444422 is about 495.2135554405.

Adding to 121444422 its reverse (224444121), we get a palindrome (345888543).

The spelling of 121444422 in words is "one hundred twenty-one million, four hundred forty-four thousand, four hundred twenty-two".