120645201 has 8 divisors (see below), whose sum is σ = 161472960. Its totient is φ = 80123792.

The previous prime is 120645169. The next prime is 120645221. The reversal of 120645201 is 102546021.

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 120645201 - 2⁵ = 120645169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120645221) by changing a digit.

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, 75666 + ... + 77243.

It is an arithmetic number, because the mean of its divisors is an integer number (20184120).

Almost surely, 2^120645201 is an apocalyptic number.

It is an amenable number.

120645201 is a deficient number, since it is larger than the sum of its proper divisors (40827759).

120645201 is a wasteful number, since it uses less digits than its factorization.

120645201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153175.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 120645201 is about 10983.8609332056. The cubic root of 120645201 is about 494.1248366393.

The spelling of 120645201 in words is "one hundred twenty million, six hundred forty-five thousand, two hundred one".