240004121 has 8 divisors (see below), whose sum is σ = 274564224. Its totient is φ = 205512480.

The previous prime is 240004109. The next prime is 240004123. The reversal of 240004121 is 121400042.

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

It is a cyclic number.

It is not a de Polignac number, because 240004121 - 2²⁶ = 172895257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240004096 and 240004105.

It is not an unprimeable number, because it can be changed into a prime (240004123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9365 + ... + 23826.

It is an arithmetic number, because the mean of its divisors is an integer number (34320528).

Almost surely, 2^240004121 is an apocalyptic number.

It is an amenable number.

240004121 is a deficient number, since it is larger than the sum of its proper divisors (34560103).

240004121 is a wasteful number, since it uses less digits than its factorization.

240004121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34231.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 240004121 is about 15492.0663889618. The cubic root of 240004121 is about 621.4500580885.

Adding to 240004121 its reverse (121400042), we get a palindrome (361404163).

The spelling of 240004121 in words is "two hundred forty million, four thousand, one hundred twenty-one".