120204113 has 4 divisors (see below), whose sum is σ = 120262500. Its totient is φ = 120145728.

The previous prime is 120204061. The next prime is 120204137. The reversal of 120204113 is 311402021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311402021 = 7 ⋅44486003.

It can be written as a sum of positive squares in 2 ways, for example, as 56731024 + 63473089 = 7532^2 + 7967^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120204113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120204163) 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, 25988 + ... + 30261.

It is an arithmetic number, because the mean of its divisors is an integer number (30065625).

Almost surely, 2^120204113 is an apocalyptic number.

It is an amenable number.

120204113 is a deficient number, since it is larger than the sum of its proper divisors (58387).

120204113 is an equidigital number, since it uses as much as digits as its factorization.

120204113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58386.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120204113 is about 10963.7636329866. The cubic root of 120204113 is about 493.5219153130.

Adding to 120204113 its reverse (311402021), we get a palindrome (431606134).

The spelling of 120204113 in words is "one hundred twenty million, two hundred four thousand, one hundred thirteen".