121330244 has 24 divisors (see below), whose sum is σ = 253212288. Its totient is φ = 49737600.

The previous prime is 121330217. The next prime is 121330277. The reversal of 121330244 is 442033121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93557 + ... + 94844.

It is an arithmetic number, because the mean of its divisors is an integer number (10550512).

Almost surely, 2^121330244 is an apocalyptic number.

121330244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121330244 is an abundant number, since it is smaller than the sum of its proper divisors (131882044).

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

121330244 is a wasteful number, since it uses less digits than its factorization.

121330244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188435 (or 188433 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 121330244 is about 11015.0008624602. Note that the first 3 decimals coincide. The cubic root of 121330244 is about 495.0583123495.

Adding to 121330244 its reverse (442033121), we get a palindrome (563363365).

The spelling of 121330244 in words is "one hundred twenty-one million, three hundred thirty thousand, two hundred forty-four".