121241444 has 12 divisors (see below), whose sum is σ = 213179568. Its totient is φ = 60333000.

The previous prime is 121241437. The next prime is 121241447. The reversal of 121241444 is 444142121.

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 (121241447) 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, 70982 + ... + 72669.

It is an arithmetic number, because the mean of its divisors is an integer number (17764964).

Almost surely, 2^121241444 is an apocalyptic number.

It is an amenable number.

121241444 is a deficient number, since it is larger than the sum of its proper divisors (91938124).

121241444 is a wasteful number, since it uses less digits than its factorization.

121241444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143866 (or 143864 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 121241444 is about 11010.9692579718. The cubic root of 121241444 is about 494.9375073303.

Adding to 121241444 its reverse (444142121), we get a palindrome (565383565).

The spelling of 121241444 in words is "one hundred twenty-one million, two hundred forty-one thousand, four hundred forty-four".