121044424 has 8 divisors (see below), whose sum is σ = 226958310. Its totient is φ = 60522208.

The previous prime is 121044409. The next prime is 121044431. The reversal of 121044424 is 424440121.

It can be written as a sum of positive squares in only one way, i.e., 114704100 + 6340324 = 10710^2 + 2518^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 121044395 and 121044404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7565269 + ... + 7565284.

Almost surely, 2^121044424 is an apocalyptic number.

It is an amenable number.

121044424 is a deficient number, since it is larger than the sum of its proper divisors (105913886).

121044424 is a wasteful number, since it uses less digits than its factorization.

121044424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15130559 (or 15130555 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 121044424 is about 11002.0190874221. The cubic root of 121044424 is about 494.6692672186.

Adding to 121044424 its reverse (424440121), we get a palindrome (545484545).

The spelling of 121044424 in words is "one hundred twenty-one million, forty-four thousand, four hundred twenty-four".