120830861 has 8 divisors (see below), whose sum is σ = 127305600. Its totient is φ = 114367680.

The previous prime is 120830851. The next prime is 120830867. The reversal of 120830861 is 168038021.

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 120830861 - 2²² = 116636557 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 (120830867) 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, 26156 + ... + 30426.

It is an arithmetic number, because the mean of its divisors is an integer number (15913200).

Almost surely, 2^120830861 is an apocalyptic number.

It is an amenable number.

120830861 is a deficient number, since it is larger than the sum of its proper divisors (6474739).

120830861 is a wasteful number, since it uses less digits than its factorization.

120830861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 120830861 is about 10992.3091750551. The cubic root of 120830861 is about 494.3781750720.

Adding to 120830861 its reverse (168038021), we get a palindrome (288868882).

The spelling of 120830861 in words is "one hundred twenty million, eight hundred thirty thousand, eight hundred sixty-one".