121442344 has 16 divisors (see below), whose sum is σ = 228107700. Its totient is φ = 60613632.

The previous prime is 121442327. The next prime is 121442359. The reversal of 121442344 is 443244121.

It can be written as a sum of positive squares in 2 ways, for example, as 120165444 + 1276900 = 10962^2 + 1130^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 8539 + ... + 17770.

Almost surely, 2^121442344 is an apocalyptic number.

It is an amenable number.

121442344 is a deficient number, since it is larger than the sum of its proper divisors (106665356).

121442344 is a wasteful number, since it uses less digits than its factorization.

121442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26892 (or 26888 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 121442344 is about 11020.0882029138. The cubic root of 121442344 is about 495.2107309396.

Adding to 121442344 its reverse (443244121), we get a palindrome (564686465).

The spelling of 121442344 in words is "one hundred twenty-one million, four hundred forty-two thousand, three hundred forty-four".