120947189 has 8 divisors (see below), whose sum is σ = 132526368. Its totient is φ = 109465360.

The previous prime is 120947161. The next prime is 120947221. The reversal of 120947189 is 981749021.

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 120947189 - 2²⁴ = 104169973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120947389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21722 + ... + 26715.

It is an arithmetic number, because the mean of its divisors is an integer number (16565796).

Almost surely, 2^120947189 is an apocalyptic number.

It is an amenable number.

120947189 is a deficient number, since it is larger than the sum of its proper divisors (11579179).

120947189 is a wasteful number, since it uses less digits than its factorization.

120947189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48675.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 120947189 is about 10997.5992380155. The cubic root of 120947189 is about 494.5367757753.

The spelling of 120947189 in words is "one hundred twenty million, nine hundred forty-seven thousand, one hundred eighty-nine".