120205113 has 32 divisors (see below), whose sum is σ = 197634816. Its totient is φ = 63418368.

The previous prime is 120205109. The next prime is 120205117. The reversal of 120205113 is 311502021.

It is an interprime number because it is at equal distance from previous prime (120205109) and next prime (120205117).

It is not a de Polignac number, because 120205113 - 2² = 120205109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120205092 and 120205101.

It is not an unprimeable number, because it can be changed into a prime (120205117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15745 + ... + 22097.

It is an arithmetic number, because the mean of its divisors is an integer number (6176088).

Almost surely, 2^120205113 is an apocalyptic number.

It is an amenable number.

120205113 is a deficient number, since it is larger than the sum of its proper divisors (77429703).

120205113 is a wasteful number, since it uses less digits than its factorization.

120205113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6433.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 120205113 is about 10963.8092376692. The cubic root of 120205113 is about 493.5232838756.

Adding to 120205113 its reverse (311502021), we get a palindrome (431707134).

The spelling of 120205113 in words is "one hundred twenty million, two hundred five thousand, one hundred thirteen".