121445338 has 8 divisors (see below), whose sum is σ = 208192032. Its totient is φ = 52047996.

The previous prime is 121445333. The next prime is 121445347. The reversal of 121445338 is 833544121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121445333) 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 3 ways as a sum of consecutive naturals, for example, 4337320 + ... + 4337347.

It is an arithmetic number, because the mean of its divisors is an integer number (26024004).

Almost surely, 2^121445338 is an apocalyptic number.

121445338 is a deficient number, since it is larger than the sum of its proper divisors (86746694).

121445338 is an equidigital number, since it uses as much as digits as its factorization.

121445338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8674676.

The product of its digits is 11520, while the sum is 31.

The square root of 121445338 is about 11020.2240449094. The cubic root of 121445338 is about 495.2148004942.

Adding to 121445338 its reverse (833544121), we get a palindrome (954989459).

The spelling of 121445338 in words is "one hundred twenty-one million, four hundred forty-five thousand, three hundred thirty-eight".