120165113 has 4 divisors (see below), whose sum is σ = 120551808. Its totient is φ = 119778420.

The previous prime is 120165109. The next prime is 120165119. The reversal of 120165113 is 311561021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 311561021 = 9343 ⋅33347.

It is a cyclic number.

It is not a de Polignac number, because 120165113 - 2² = 120165109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120165119) 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, 192881 + ... + 193502.

It is an arithmetic number, because the mean of its divisors is an integer number (30137952).

Almost surely, 2^120165113 is an apocalyptic number.

It is an amenable number.

120165113 is a deficient number, since it is larger than the sum of its proper divisors (386695).

120165113 is an equidigital number, since it uses as much as digits as its factorization.

120165113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386694.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 120165113 is about 10961.9849023797. The cubic root of 120165113 is about 493.4685354517.

The spelling of 120165113 in words is "one hundred twenty million, one hundred sixty-five thousand, one hundred thirteen".