120243195 has 24 divisors (see below), whose sum is σ = 217485216. Its totient is φ = 61340928.

The previous prime is 120243169. The next prime is 120243217. The reversal of 120243195 is 591342021.

It is not a de Polignac number, because 120243195 - 2⁸ = 120242939 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 57054 + ... + 59123.

It is an arithmetic number, because the mean of its divisors is an integer number (9061884).

Almost surely, 2^120243195 is an apocalyptic number.

120243195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120243195 is a deficient number, since it is larger than the sum of its proper divisors (97242021).

120243195 is a wasteful number, since it uses less digits than its factorization.

120243195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116211 (or 116208 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 120243195 is about 10965.5458140487. The cubic root of 120243195 is about 493.5753958278.

The spelling of 120243195 in words is "one hundred twenty million, two hundred forty-three thousand, one hundred ninety-five".