120197189 has 16 divisors (see below), whose sum is σ = 141692928. Its totient is φ = 99826992.

The previous prime is 120197167. The next prime is 120197237. The reversal of 120197189 is 981791021.

It is a cyclic number.

It is not a de Polignac number, because 120197189 - 2⁸ = 120196933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120197689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32114 + ... + 35660.

It is an arithmetic number, because the mean of its divisors is an integer number (8855808).

Almost surely, 2^120197189 is an apocalyptic number.

It is an amenable number.

120197189 is a deficient number, since it is larger than the sum of its proper divisors (21495739).

120197189 is a wasteful number, since it uses less digits than its factorization.

120197189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 120197189 is about 10963.4478609605. The cubic root of 120197189 is about 493.5124391776.

The spelling of 120197189 in words is "one hundred twenty million, one hundred ninety-seven thousand, one hundred eighty-nine".