121670767 has 2 divisors, whose sum is σ = 121670768. Its totient is φ = 121670766.

The previous prime is 121670741. The next prime is 121670771. The reversal of 121670767 is 767076121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121670767 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121670797) 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, 60835383 + 60835384.

It is an arithmetic number, because the mean of its divisors is an integer number (60835384).

Almost surely, 2^121670767 is an apocalyptic number.

121670767 is a deficient number, since it is larger than the sum of its proper divisors (1).

121670767 is an equidigital number, since it uses as much as digits as its factorization.

121670767 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 121670767 is about 11030.4472710765. The cubic root of 121670767 is about 495.5210199474.

The spelling of 121670767 in words is "one hundred twenty-one million, six hundred seventy thousand, seven hundred sixty-seven".