120197945 has 8 divisors (see below), whose sum is σ = 164842944. Its totient is φ = 82421424.

The previous prime is 120197929. The next prime is 120197969. The reversal of 120197945 is 549791021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120197945 - 2⁴ = 120197929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120197899 and 120197908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1717079 + ... + 1717148.

It is an arithmetic number, because the mean of its divisors is an integer number (20605368).

Almost surely, 2^120197945 is an apocalyptic number.

It is an amenable number.

120197945 is a deficient number, since it is larger than the sum of its proper divisors (44644999).

120197945 is an equidigital number, since it uses as much as digits as its factorization.

120197945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434239.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 120197945 is about 10963.4823391111. The cubic root of 120197945 is about 493.5134738513.

The spelling of 120197945 in words is "one hundred twenty million, one hundred ninety-seven thousand, nine hundred forty-five".