120389197 has 2 divisors, whose sum is σ = 120389198. Its totient is φ = 120389196.

The previous prime is 120389167. The next prime is 120389201. The reversal of 120389197 is 791983021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67667076 + 52722121 = 8226^2 + 7261^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120389197 is a prime.

It is equal to p_6862549 and since 120389197 and 6862549 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120389117) 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, 60194598 + 60194599.

It is an arithmetic number, because the mean of its divisors is an integer number (60194599).

Almost surely, 2^120389197 is an apocalyptic number.

It is an amenable number.

120389197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120389197 is an equidigital number, since it uses as much as digits as its factorization.

120389197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 120389197 is about 10972.2011009642. The cubic root of 120389197 is about 493.7750851540.

The spelling of 120389197 in words is "one hundred twenty million, three hundred eighty-nine thousand, one hundred ninety-seven".