121944000841 has 16 divisors (see below), whose sum is σ = 134528278528. Its totient is φ = 109846497600.

The previous prime is 121944000821. The next prime is 121944000847. The reversal of 121944000841 is 148000449121.

It is a cyclic number.

It is not a de Polignac number, because 121944000841 - 2²⁷ = 121809783113 is a prime.

It is a super-2 number, since 2×121944000841² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121944000797 and 121944000806.

It is not an unprimeable number, because it can be changed into a prime (121944000847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 504705 + ... + 706126.

It is an arithmetic number, because the mean of its divisors is an integer number (8408017408).

Almost surely, 2^121944000841 is an apocalyptic number.

It is an amenable number.

121944000841 is a deficient number, since it is larger than the sum of its proper divisors (12584277687).

121944000841 is a wasteful number, since it uses less digits than its factorization.

121944000841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211032.

The product of its (nonzero) digits is 9216, while the sum is 34.

Adding to 121944000841 its reverse (148000449121), we get a palindrome (269944449962).

The spelling of 121944000841 in words is "one hundred twenty-one billion, nine hundred forty-four million, eight hundred forty-one", and thus it is an aban number.