121313344 has 14 divisors (see below), whose sum is σ = 240731294. Its totient is φ = 60656640.

The previous prime is 121313317. The next prime is 121313359. The reversal of 121313344 is 443313121.

It can be written as a sum of positive squares in only one way, i.e., 86266944 + 35046400 = 9288^2 + 5920^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947697 + ... + 947824.

Almost surely, 2^121313344 is an apocalyptic number.

It is an amenable number.

121313344 is a deficient number, since it is larger than the sum of its proper divisors (119417950).

121313344 is an equidigital number, since it uses as much as digits as its factorization.

121313344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895533 (or 1895523 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 121313344 is about 11014.2337000810. The cubic root of 121313344 is about 495.0353258468.

Adding to 121313344 its reverse (443313121), we get a palindrome (564626465).

The spelling of 121313344 in words is "one hundred twenty-one million, three hundred thirteen thousand, three hundred forty-four".