121301340044239 has 2 divisors, whose sum is σ = 121301340044240. Its totient is φ = 121301340044238.

The previous prime is 121301340044207. The next prime is 121301340044299. The reversal of 121301340044239 is 932440043103121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121301340044239 - 2⁵ = 121301340044207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121301340044198 and 121301340044207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301340044299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60650670022119 + 60650670022120.

It is an arithmetic number, because the mean of its divisors is an integer number (60650670022120).

Almost surely, 2^{121301340044239} is an apocalyptic number.

121301340044239 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301340044239 is an equidigital number, since it uses as much as digits as its factorization.

121301340044239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 121301340044239 in words is "one hundred twenty-one trillion, three hundred one billion, three hundred forty million, forty-four thousand, two hundred thirty-nine".