1000120165 has 8 divisors (see below), whose sum is σ = 1309248288. Its totient is φ = 727360080.

The previous prime is 1000120153. The next prime is 1000120169. The reversal of 1000120165 is 5610210001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000120165 - 2²³ = 991731557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000120169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9091947 + ... + 9092056.

It is an arithmetic number, because the mean of its divisors is an integer number (163656036).

Almost surely, 2^1000120165 is an apocalyptic number.

It is an amenable number.

1000120165 is a deficient number, since it is larger than the sum of its proper divisors (309128123).

1000120165 is a wasteful number, since it uses less digits than its factorization.

1000120165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18184019.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1000120165 is about 31624.6765200848. The cubic root of 1000120165 is about 1000.0400533957.

Adding to 1000120165 its reverse (5610210001), we get a palindrome (6610330166).

The spelling of 1000120165 in words is "one billion, one hundred twenty thousand, one hundred sixty-five".