121676447 has 2 divisors, whose sum is σ = 121676448. Its totient is φ = 121676446.

The previous prime is 121676411. The next prime is 121676483. The reversal of 121676447 is 744676121.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (121676411) and next prime (121676483).

It is a cyclic number.

It is not a de Polignac number, because 121676447 - 2²² = 117482143 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121676447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121676047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60838223 + 60838224.

It is an arithmetic number, because the mean of its divisors is an integer number (60838224).

Almost surely, 2^121676447 is an apocalyptic number.

121676447 is a deficient number, since it is larger than the sum of its proper divisors (1).

121676447 is an equidigital number, since it uses as much as digits as its factorization.

121676447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 38.

The square root of 121676447 is about 11030.7047372323. The cubic root of 121676447 is about 495.5287306891.

The spelling of 121676447 in words is "one hundred twenty-one million, six hundred seventy-six thousand, four hundred forty-seven".