121240312041 has 8 divisors (see below), whose sum is σ = 162556843680. Its totient is φ = 80375327552.

The previous prime is 121240312031. The next prime is 121240312049. The reversal of 121240312041 is 140213042121.

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 121240312041 - 2¹⁵ = 121240279273 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121240311999 and 121240312017.

It is not an unprimeable number, because it can be changed into a prime (121240312049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112886160 + ... + 112887233.

It is an arithmetic number, because the mean of its divisors is an integer number (20319605460).

Almost surely, 2^121240312041 is an apocalyptic number.

It is an amenable number.

121240312041 is a deficient number, since it is larger than the sum of its proper divisors (41316531639).

121240312041 is a wasteful number, since it uses less digits than its factorization.

121240312041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225773575.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 121240312041 its reverse (140213042121), we get a palindrome (261453354162).

The spelling of 121240312041 in words is "one hundred twenty-one billion, two hundred forty million, three hundred twelve thousand, forty-one".