121301132320987 has 2 divisors, whose sum is σ = 121301132320988. Its totient is φ = 121301132320986.

The previous prime is 121301132320957. The next prime is 121301132321003. The reversal of 121301132320987 is 789023231103121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121301132320987 - 2⁷ = 121301132320859 is a prime.

It is not a weakly prime, because it can be changed into another prime (121301132320957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650566160493 + 60650566160494.

It is an arithmetic number, because the mean of its divisors is an integer number (60650566160494).

Almost surely, 2^{121301132320987} is an apocalyptic number.

121301132320987 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301132320987 is an equidigital number, since it uses as much as digits as its factorization.

121301132320987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 121301132320987 in words is "one hundred twenty-one trillion, three hundred one billion, one hundred thirty-two million, three hundred twenty thousand, nine hundred eighty-seven".