120115205 has 16 divisors (see below), whose sum is σ = 165786240. Its totient is φ = 81836352.

The previous prime is 120115181. The next prime is 120115241. The reversal of 120115205 is 502511021.

It is a cyclic number.

It is not a de Polignac number, because 120115205 - 2¹⁶ = 120049669 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5435 + ... + 16424.

It is an arithmetic number, because the mean of its divisors is an integer number (10361640).

Almost surely, 2^120115205 is an apocalyptic number.

It is an amenable number.

120115205 is a deficient number, since it is larger than the sum of its proper divisors (45671035).

120115205 is a wasteful number, since it uses less digits than its factorization.

120115205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22028.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 120115205 is about 10959.7082534162. The cubic root of 120115205 is about 493.4002088040.

Adding to 120115205 its reverse (502511021), we get a palindrome (622626226).

The spelling of 120115205 in words is "one hundred twenty million, one hundred fifteen thousand, two hundred five".