121677147690367 has 2 divisors, whose sum is σ = 121677147690368. Its totient is φ = 121677147690366.

The previous prime is 121677147690313. The next prime is 121677147690401. The reversal of 121677147690367 is 763096741776121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121677147690367 - 2²³ = 121677139301759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121677147690767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60838573845183 + 60838573845184.

It is an arithmetic number, because the mean of its divisors is an integer number (60838573845184).

Almost surely, 2^{121677147690367} is an apocalyptic number.

121677147690367 is a deficient number, since it is larger than the sum of its proper divisors (1).

121677147690367 is an equidigital number, since it uses as much as digits as its factorization.

121677147690367 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112021056, while the sum is 67.

The spelling of 121677147690367 in words is "one hundred twenty-one trillion, six hundred seventy-seven billion, one hundred forty-seven million, six hundred ninety thousand, three hundred sixty-seven".