120122517 has 4 divisors (see below), whose sum is σ = 160163360. Its totient is φ = 80081676.

The previous prime is 120122507. The next prime is 120122531. The reversal of 120122517 is 715221021.

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 not a de Polignac number, because 120122517 - 2⁴ = 120122501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122493 and 120122502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122507) 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, 20020417 + ... + 20020422.

It is an arithmetic number, because the mean of its divisors is an integer number (40040840).

Almost surely, 2^120122517 is an apocalyptic number.

It is an amenable number.

120122517 is a deficient number, since it is larger than the sum of its proper divisors (40040843).

120122517 is an equidigital number, since it uses as much as digits as its factorization.

120122517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40040842.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 120122517 is about 10960.0418338618. The cubic root of 120122517 is about 493.4102204954.

Adding to 120122517 its reverse (715221021), we get a palindrome (835343538).

The spelling of 120122517 in words is "one hundred twenty million, one hundred twenty-two thousand, five hundred seventeen".