1165120206 has 16 divisors (see below), whose sum is σ = 2387076048. Its totient is φ = 378900800.

The previous prime is 1165120189. The next prime is 1165120273. The reversal of 1165120206 is 6020215611.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367885 + ... + 2368376.

It is an arithmetic number, because the mean of its divisors is an integer number (149192253).

Almost surely, 2^1165120206 is an apocalyptic number.

1165120206 is an abundant number, since it is smaller than the sum of its proper divisors (1221955842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165120206 is a wasteful number, since it uses less digits than its factorization.

1165120206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736307.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1165120206 is about 34133.8571802250. The cubic root of 1165120206 is about 1052.2612509995.

Adding to 1165120206 its reverse (6020215611), we get a palindrome (7185335817).

The spelling of 1165120206 in words is "one billion, one hundred sixty-five million, one hundred twenty thousand, two hundred six".