120020617 has 4 divisors (see below), whose sum is σ = 120211456. Its totient is φ = 119829780.

The previous prime is 120020609. The next prime is 120020627. The reversal of 120020617 is 716020021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120020617 - 2³ = 120020609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120020594 and 120020603.

It is not an unprimeable number, because it can be changed into a prime (120020627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94473 + ... + 95734.

It is an arithmetic number, because the mean of its divisors is an integer number (30052864).

Almost surely, 2^120020617 is an apocalyptic number.

It is an amenable number.

120020617 is a deficient number, since it is larger than the sum of its proper divisors (190839).

120020617 is an equidigital number, since it uses as much as digits as its factorization.

120020617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190838.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 120020617 is about 10955.3921426848. The cubic root of 120020617 is about 493.2706609676.

Adding to 120020617 its reverse (716020021), we get a palindrome (836040638).

The spelling of 120020617 in words is "one hundred twenty million, twenty thousand, six hundred seventeen".