119798197 has 2 divisors, whose sum is σ = 119798198. Its totient is φ = 119798196.

The previous prime is 119798177. The next prime is 119798209. The reversal of 119798197 is 791897911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80748196 + 39050001 = 8986^2 + 6249^2 .

It is a cyclic number.

It is not a de Polignac number, because 119798197 - 2¹⁹ = 119273909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119798117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59899098 + 59899099.

It is an arithmetic number, because the mean of its divisors is an integer number (59899099).

Almost surely, 2^119798197 is an apocalyptic number.

It is an amenable number.

119798197 is a deficient number, since it is larger than the sum of its proper divisors (1).

119798197 is an equidigital number, since it uses as much as digits as its factorization.

119798197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 285768, while the sum is 52.

The square root of 119798197 is about 10945.2362697203. The cubic root of 119798197 is about 492.9657658424.

The spelling of 119798197 in words is "one hundred nineteen million, seven hundred ninety-eight thousand, one hundred ninety-seven".