121736094647 has 2 divisors, whose sum is σ = 121736094648. Its totient is φ = 121736094646.

The previous prime is 121736094637. The next prime is 121736094653. The reversal of 121736094647 is 746490637121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121736094647 - 2²⁴ = 121719317431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121736094595 and 121736094604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121736094637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60868047323 + 60868047324.

It is an arithmetic number, because the mean of its divisors is an integer number (60868047324).

Almost surely, 2^121736094647 is an apocalyptic number.

121736094647 is a deficient number, since it is larger than the sum of its proper divisors (1).

121736094647 is an equidigital number, since it uses as much as digits as its factorization.

121736094647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 121736094647 in words is "one hundred twenty-one billion, seven hundred thirty-six million, ninety-four thousand, six hundred forty-seven".