120166547 has 2 divisors, whose sum is σ = 120166548. Its totient is φ = 120166546.

The previous prime is 120166499. The next prime is 120166561. The reversal of 120166547 is 745661021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120166547 - 2⁶ = 120166483 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120166567) 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, 60083273 + 60083274.

It is an arithmetic number, because the mean of its divisors is an integer number (60083274).

Almost surely, 2^120166547 is an apocalyptic number.

120166547 is a deficient number, since it is larger than the sum of its proper divisors (1).

120166547 is an equidigital number, since it uses as much as digits as its factorization.

120166547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 120166547 is about 10962.0503100469. The cubic root of 120166547 is about 493.4704983926.

The spelling of 120166547 in words is "one hundred twenty million, one hundred sixty-six thousand, five hundred forty-seven".