122385847 has 2 divisors, whose sum is σ = 122385848. Its totient is φ = 122385846.

The previous prime is 122385827. The next prime is 122385853. The reversal of 122385847 is 748583221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (748583221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122385847 - 2⁷ = 122385719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122385827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61192923 + 61192924.

It is an arithmetic number, because the mean of its divisors is an integer number (61192924).

Almost surely, 2^122385847 is an apocalyptic number.

122385847 is a deficient number, since it is larger than the sum of its proper divisors (1).

122385847 is an equidigital number, since it uses as much as digits as its factorization.

122385847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 40.

The square root of 122385847 is about 11062.8137017668. The cubic root of 122385847 is about 496.4898784238.

The spelling of 122385847 in words is "one hundred twenty-two million, three hundred eighty-five thousand, eight hundred forty-seven".