120000197 has 2 divisors, whose sum is σ = 120000198. Its totient is φ = 120000196.

The previous prime is 120000193. The next prime is 120000203. The reversal of 120000197 is 791000021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98922916 + 21077281 = 9946^2 + 4591^2 .

It is a cyclic number.

It is not a de Polignac number, because 120000197 - 2² = 120000193 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120000193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000098 + 60000099.

It is an arithmetic number, because the mean of its divisors is an integer number (60000099).

Almost surely, 2^120000197 is an apocalyptic number.

It is an amenable number.

120000197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120000197 is an equidigital number, since it uses as much as digits as its factorization.

120000197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 120000197 is about 10954.4601418783. The cubic root of 120000197 is about 493.2426847792.

The spelling of 120000197 in words is "one hundred twenty million, one hundred ninety-seven", and thus it is an aban number.