122123042947 has 2 divisors, whose sum is σ = 122123042948. Its totient is φ = 122123042946.

The previous prime is 122123042941. The next prime is 122123043041. The reversal of 122123042947 is 749240321221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122123042947 - 2²⁷ = 121988825219 is a prime.

It is not a weakly prime, because it can be changed into another prime (122123042941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061521473 + 61061521474.

It is an arithmetic number, because the mean of its divisors is an integer number (61061521474).

Almost surely, 2^122123042947 is an apocalyptic number.

122123042947 is a deficient number, since it is larger than the sum of its proper divisors (1).

122123042947 is an equidigital number, since it uses as much as digits as its factorization.

122123042947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 122123042947 in words is "one hundred twenty-two billion, one hundred twenty-three million, forty-two thousand, nine hundred forty-seven".