121435140341 has 4 divisors (see below), whose sum is σ = 121445532000. Its totient is φ = 121424748684.

The previous prime is 121435140301. The next prime is 121435140373. The reversal of 121435140341 is 143041534121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121435140341 - 2¹⁰ = 121435139317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121435140301) 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 3 ways as a sum of consecutive naturals, for example, 5178281 + ... + 5201678.

It is an arithmetic number, because the mean of its divisors is an integer number (30361383000).

Almost surely, 2^121435140341 is an apocalyptic number.

It is an amenable number.

121435140341 is a deficient number, since it is larger than the sum of its proper divisors (10391659).

121435140341 is a wasteful number, since it uses less digits than its factorization.

121435140341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391658.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 121435140341 its reverse (143041534121), we get a palindrome (264476674462).

The spelling of 121435140341 in words is "one hundred twenty-one billion, four hundred thirty-five million, one hundred forty thousand, three hundred forty-one".