121330344 has 16 divisors (see below), whose sum is σ = 303325920. Its totient is φ = 40443440.

The previous prime is 121330337. The next prime is 121330387. The reversal of 121330344 is 443033121.

It is a self number, because there is not a number n which added to its sum of digits gives 121330344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527692 + ... + 2527739.

It is an arithmetic number, because the mean of its divisors is an integer number (18957870).

Almost surely, 2^121330344 is an apocalyptic number.

It is an amenable number.

121330344 is an abundant number, since it is smaller than the sum of its proper divisors (181995576).

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

121330344 is a wasteful number, since it uses less digits than its factorization.

121330344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055440 (or 5055436 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 121330344 is about 11015.0054017236. The cubic root of 121330344 is about 495.0584483580.

Adding to 121330344 its reverse (443033121), we get a palindrome (564363465).

The spelling of 121330344 in words is "one hundred twenty-one million, three hundred thirty thousand, three hundred forty-four".