120365617 has 4 divisors (see below), whose sum is σ = 120430836. Its totient is φ = 120300400.

The previous prime is 120365611. The next prime is 120365629. The reversal of 120365617 is 716563021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716563021 = 53 ⋅13520057.

It can be written as a sum of positive squares in 2 ways, for example, as 8767521 + 111598096 = 2961^2 + 10564^2 .

It is a cyclic number.

It is not a de Polignac number, because 120365617 - 2⁷ = 120365489 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120365611) 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, 29758 + ... + 33559.

It is an arithmetic number, because the mean of its divisors is an integer number (30107709).

Almost surely, 2^120365617 is an apocalyptic number.

It is an amenable number.

120365617 is a deficient number, since it is larger than the sum of its proper divisors (65219).

120365617 is an equidigital number, since it uses as much as digits as its factorization.

120365617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65218.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 120365617 is about 10971.1265146292. The cubic root of 120365617 is about 493.7428453378.

The spelling of 120365617 in words is "one hundred twenty million, three hundred sixty-five thousand, six hundred seventeen".