120516245 has 4 divisors (see below), whose sum is σ = 144619500. Its totient is φ = 96412992.

The previous prime is 120516241. The next prime is 120516293. The reversal of 120516245 is 542615021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20376196 + 100140049 = 4514^2 + 10007^2 .

It is a cyclic number.

It is not a de Polignac number, because 120516245 - 2² = 120516241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120516241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12051620 + ... + 12051629.

It is an arithmetic number, because the mean of its divisors is an integer number (36154875).

Almost surely, 2^120516245 is an apocalyptic number.

It is an amenable number.

120516245 is a deficient number, since it is larger than the sum of its proper divisors (24103255).

120516245 is an equidigital number, since it uses as much as digits as its factorization.

120516245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103254.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 120516245 is about 10977.9891145874. The cubic root of 120516245 is about 493.9487194552.

The spelling of 120516245 in words is "one hundred twenty million, five hundred sixteen thousand, two hundred forty-five".