120203197 has 2 divisors, whose sum is σ = 120203198. Its totient is φ = 120203196.

The previous prime is 120203191. The next prime is 120203201. The reversal of 120203197 is 791302021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60388441 + 59814756 = 7771^2 + 7734^2 .

It is a cyclic number.

It is not a de Polignac number, because 120203197 - 2²³ = 111814589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120203191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101598 + 60101599.

It is an arithmetic number, because the mean of its divisors is an integer number (60101599).

Almost surely, 2^120203197 is an apocalyptic number.

It is an amenable number.

120203197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203197 is an equidigital number, since it uses as much as digits as its factorization.

120203197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 120203197 is about 10963.7218589309. The cubic root of 120203197 is about 493.5206617031.

The spelling of 120203197 in words is "one hundred twenty million, two hundred three thousand, one hundred ninety-seven".