121676211439 has 2 divisors, whose sum is σ = 121676211440. Its totient is φ = 121676211438.

The previous prime is 121676211407. The next prime is 121676211467. The reversal of 121676211439 is 934112676121.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121676211439 - 2⁵ = 121676211407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121676211395 and 121676211404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121676211469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60838105719 + 60838105720.

It is an arithmetic number, because the mean of its divisors is an integer number (60838105720).

Almost surely, 2^121676211439 is an apocalyptic number.

121676211439 is a deficient number, since it is larger than the sum of its proper divisors (1).

121676211439 is an equidigital number, since it uses as much as digits as its factorization.

121676211439 is an evil number, because the sum of its binary digits is even.

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

The spelling of 121676211439 in words is "one hundred twenty-one billion, six hundred seventy-six million, two hundred eleven thousand, four hundred thirty-nine".