121674935141 has 2 divisors, whose sum is σ = 121674935142. Its totient is φ = 121674935140.

The previous prime is 121674935119. The next prime is 121674935143. The reversal of 121674935141 is 141539476121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115426665025 + 6248270116 = 339745^2 + 79046^2 .

It is an emirp because it is prime and its reverse (141539476121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121674935141 - 2¹⁸ = 121674672997 is a prime.

Together with 121674935143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121674935092 and 121674935101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121674935143) 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 as a sum of consecutive naturals, namely, 60837467570 + 60837467571.

It is an arithmetic number, because the mean of its divisors is an integer number (60837467571).

Almost surely, 2^121674935141 is an apocalyptic number.

It is an amenable number.

121674935141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121674935141 is an equidigital number, since it uses as much as digits as its factorization.

121674935141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 121674935141 in words is "one hundred twenty-one billion, six hundred seventy-four million, nine hundred thirty-five thousand, one hundred forty-one".