121226444 has 6 divisors (see below), whose sum is σ = 212146284. Its totient is φ = 60613220.

The previous prime is 121226419. The next prime is 121226447. The reversal of 121226444 is 444622121.

It is not an unprimeable number, because it can be changed into a prime (121226447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15153302 + ... + 15153309.

It is an arithmetic number, because the mean of its divisors is an integer number (35357714).

Almost surely, 2^121226444 is an apocalyptic number.

It is an amenable number.

121226444 is a deficient number, since it is larger than the sum of its proper divisors (90919840).

121226444 is a wasteful number, since it uses less digits than its factorization.

121226444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30306615 (or 30306613 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 121226444 is about 11010.2880979564. The cubic root of 121226444 is about 494.9170952541.

Adding to 121226444 its reverse (444622121), we get a palindrome (565848565).

The spelling of 121226444 in words is "one hundred twenty-one million, two hundred twenty-six thousand, four hundred forty-four".