2442656121 has 8 divisors (see below), whose sum is σ = 3344898624. Its totient is φ = 1584425520.

The previous prime is 2442656119. The next prime is 2442656173. The reversal of 2442656121 is 1216562442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2442656121 - 2¹ = 2442656119 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2442656621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11002845 + ... + 11003066.

It is an arithmetic number, because the mean of its divisors is an integer number (418112328).

Almost surely, 2^2442656121 is an apocalyptic number.

It is an amenable number.

2442656121 is a deficient number, since it is larger than the sum of its proper divisors (902242503).

2442656121 is a wasteful number, since it uses less digits than its factorization.

2442656121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22005951.

The product of its digits is 23040, while the sum is 33.

The square root of 2442656121 is about 49423.2346270456. The cubic root of 2442656121 is about 1346.7514247198.

The spelling of 2442656121 in words is "two billion, four hundred forty-two million, six hundred fifty-six thousand, one hundred twenty-one".