120118417 has 4 divisors (see below), whose sum is σ = 122674176. Its totient is φ = 117562660.

The previous prime is 120118409. The next prime is 120118421. The reversal of 120118417 is 714811021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 714811021 = 653 ⋅1094657.

It is a cyclic number.

It is not a de Polignac number, because 120118417 - 2³ = 120118409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120118391 and 120118400.

It is not an unprimeable number, because it can be changed into a prime (120118477) 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 3 ways as a sum of consecutive naturals, for example, 1277809 + ... + 1277902.

It is an arithmetic number, because the mean of its divisors is an integer number (30668544).

Almost surely, 2^120118417 is an apocalyptic number.

It is an amenable number.

120118417 is a deficient number, since it is larger than the sum of its proper divisors (2555759).

120118417 is an equidigital number, since it uses as much as digits as its factorization.

120118417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555758.

The product of its (nonzero) digits is 448, while the sum is 25.

The square root of 120118417 is about 10959.8547891840. The cubic root of 120118417 is about 493.4046067688.

Adding to 120118417 its reverse (714811021), we get a palindrome (834929438).

The spelling of 120118417 in words is "one hundred twenty million, one hundred eighteen thousand, four hundred seventeen".