120128147 has 2 divisors, whose sum is σ = 120128148. Its totient is φ = 120128146.

The previous prime is 120128117. The next prime is 120128167. The reversal of 120128147 is 741821021.

It is a strong prime.

It is an emirp because it is prime and its reverse (741821021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120128147 - 2²⁶ = 53019283 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120128117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60064073 + 60064074.

It is an arithmetic number, because the mean of its divisors is an integer number (60064074).

Almost surely, 2^120128147 is an apocalyptic number.

120128147 is a deficient number, since it is larger than the sum of its proper divisors (1).

120128147 is an equidigital number, since it uses as much as digits as its factorization.

120128147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 120128147 is about 10960.2986729377. The cubic root of 120128147 is about 493.4179288924.

Adding to 120128147 its reverse (741821021), we get a palindrome (861949168).

The spelling of 120128147 in words is "one hundred twenty million, one hundred twenty-eight thousand, one hundred forty-seven".