121140230443 has 8 divisors (see below), whose sum is σ = 126410906016. Its totient is φ = 115869864000.

The previous prime is 121140230441. The next prime is 121140230473. The reversal of 121140230443 is 344032041121.

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 121140230443 - 2¹ = 121140230441 is a prime.

It is a super-3 number, since 3×121140230443³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121140230441) 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 7 ways as a sum of consecutive naturals, for example, 1115143 + ... + 1218943.

It is an arithmetic number, because the mean of its divisors is an integer number (15801363252).

Almost surely, 2^121140230443 is an apocalyptic number.

121140230443 is a deficient number, since it is larger than the sum of its proper divisors (5270675573).

121140230443 is a wasteful number, since it uses less digits than its factorization.

121140230443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154565.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121140230443 its reverse (344032041121), we get a palindrome (465172271564).

The spelling of 121140230443 in words is "one hundred twenty-one billion, one hundred forty million, two hundred thirty thousand, four hundred forty-three".