121301410427 has 2 divisors, whose sum is σ = 121301410428. Its totient is φ = 121301410426.

The previous prime is 121301410393. The next prime is 121301410429. The reversal of 121301410427 is 724014103121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121301410427 is a prime.

Together with 121301410429, 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 = 121301410396 and 121301410405.

It is not a weakly prime, because it can be changed into another prime (121301410429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650705213 + 60650705214.

It is an arithmetic number, because the mean of its divisors is an integer number (60650705214).

Almost surely, 2^121301410427 is an apocalyptic number.

121301410427 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301410427 is an equidigital number, since it uses as much as digits as its factorization.

121301410427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 121301410427 its reverse (724014103121), we get a palindrome (845315513548).

The spelling of 121301410427 in words is "one hundred twenty-one billion, three hundred one million, four hundred ten thousand, four hundred twenty-seven".