121230001241 has 4 divisors (see below), whose sum is σ = 122002167012. Its totient is φ = 120457835472.

The previous prime is 121230001229. The next prime is 121230001289. The reversal of 121230001241 is 142100032121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 142100032121 = 19 ⋅7478949059.

It can be written as a sum of positive squares in 2 ways, for example, as 42695543641 + 78534457600 = 206629^2 + 280240^2 .

It is a cyclic number.

It is not a de Polignac number, because 121230001241 - 2¹⁰ = 121230000217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121230003241) 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 3 ways as a sum of consecutive naturals, for example, 386082650 + ... + 386082963.

It is an arithmetic number, because the mean of its divisors is an integer number (30500541753).

Almost surely, 2^121230001241 is an apocalyptic number.

It is an amenable number.

121230001241 is a deficient number, since it is larger than the sum of its proper divisors (772165771).

121230001241 is an equidigital number, since it uses as much as digits as its factorization.

121230001241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772165770.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 121230001241 its reverse (142100032121), we get a palindrome (263330033362).

The spelling of 121230001241 in words is "one hundred twenty-one billion, two hundred thirty million, one thousand, two hundred forty-one".