120167791 has 2 divisors, whose sum is σ = 120167792. Its totient is φ = 120167790.

The previous prime is 120167777. The next prime is 120167807. The reversal of 120167791 is 197761021.

It is a weak prime.

It is an emirp because it is prime and its reverse (197761021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120167791 - 2⁵ = 120167759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120167291) 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, 60083895 + 60083896.

It is an arithmetic number, because the mean of its divisors is an integer number (60083896).

Almost surely, 2^120167791 is an apocalyptic number.

120167791 is a deficient number, since it is larger than the sum of its proper divisors (1).

120167791 is an equidigital number, since it uses as much as digits as its factorization.

120167791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 120167791 is about 10962.1070511102. The cubic root of 120167791 is about 493.4722012381.

The spelling of 120167791 in words is "one hundred twenty million, one hundred sixty-seven thousand, seven hundred ninety-one".