121040241 has 64 divisors (see below), whose sum is σ = 204288000. Its totient is φ = 63504000.

The previous prime is 121040239. The next prime is 121040251. The reversal of 121040241 is 142040121.

It is not a de Polignac number, because 121040241 - 2¹ = 121040239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121040241.

It is not an unprimeable number, because it can be changed into a prime (121040251) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 801516 + ... + 801666.

It is an arithmetic number, because the mean of its divisors is an integer number (3192000).

Almost surely, 2^121040241 is an apocalyptic number.

It is an amenable number.

121040241 is a deficient number, since it is larger than the sum of its proper divisors (83247759).

121040241 is a wasteful number, since it uses less digits than its factorization.

121040241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 221 counting only the distinct ones).

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

The square root of 121040241 is about 11001.8289843098. The cubic root of 121040241 is about 494.6635689652.

Adding to 121040241 its reverse (142040121), we get a palindrome (263080362).

The spelling of 121040241 in words is "one hundred twenty-one million, forty thousand, two hundred forty-one".