240410121 has 24 divisors (see below), whose sum is σ = 373693824. Its totient is φ = 137077920.

The previous prime is 240410113. The next prime is 240410143. The reversal of 240410121 is 121014042.

It is not a de Polignac number, because 240410121 - 2³ = 240410113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240410121.

It is not an unprimeable number, because it can be changed into a prime (240410161) 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 23 ways as a sum of consecutive naturals, for example, 78016 + ... + 81038.

It is an arithmetic number, because the mean of its divisors is an integer number (15570576).

Almost surely, 2^240410121 is an apocalyptic number.

240410121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

240410121 is a deficient number, since it is larger than the sum of its proper divisors (133283703).

240410121 is a wasteful number, since it uses less digits than its factorization.

240410121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 3574 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 240410121 is about 15505.1643332149. The cubic root of 240410121 is about 621.8002834436.

Adding to 240410121 its reverse (121014042), we get a palindrome (361424163).

The spelling of 240410121 in words is "two hundred forty million, four hundred ten thousand, one hundred twenty-one".