120430917 has 18 divisors (see below), whose sum is σ = 178119942. Its totient is φ = 78409296.

The previous prime is 120430913. The next prime is 120430931. The reversal of 120430917 is 719034021.

It can be written as a sum of positive squares in only one way, i.e., 109181601 + 11249316 = 10449^2 + 3354^2 .

It is not a de Polignac number, because 120430917 - 2² = 120430913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120430913) 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 17 ways as a sum of consecutive naturals, for example, 13023 + ... + 20259.

Almost surely, 2^120430917 is an apocalyptic number.

It is an amenable number.

120430917 is a deficient number, since it is larger than the sum of its proper divisors (57689025).

120430917 is an equidigital number, since it uses as much as digits as its factorization.

120430917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7329 (or 7283 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 120430917 is about 10974.1021045004. The cubic root of 120430917 is about 493.8321166205.

Adding to 120430917 its reverse (719034021), we get a palindrome (839464938).

The spelling of 120430917 in words is "one hundred twenty million, four hundred thirty thousand, nine hundred seventeen".