120945617 has 8 divisors (see below), whose sum is σ = 133021056. Its totient is φ = 109266192.

The previous prime is 120945577. The next prime is 120945641. The reversal of 120945617 is 716549021.

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 120945617 - 2⁶ = 120945553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120945677) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 98363 + ... + 99584.

It is an arithmetic number, because the mean of its divisors is an integer number (16627632).

Almost surely, 2^120945617 is an apocalyptic number.

It is an amenable number.

120945617 is a deficient number, since it is larger than the sum of its proper divisors (12075439).

120945617 is a wasteful number, since it uses less digits than its factorization.

120945617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198007.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 120945617 is about 10997.5277676394. The cubic root of 120945617 is about 494.5346332005.

The spelling of 120945617 in words is "one hundred twenty million, nine hundred forty-five thousand, six hundred seventeen".