1120356165 has 16 divisors (see below), whose sum is σ = 1800403200. Its totient is φ = 594912192.

The previous prime is 1120356137. The next prime is 1120356169. The reversal of 1120356165 is 5616530211.

It is not a de Polignac number, because 1120356165 - 2¹⁶ = 1120290629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120356169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159645 + ... + 166514.

It is an arithmetic number, because the mean of its divisors is an integer number (112525200).

Almost surely, 2^1120356165 is an apocalyptic number.

1120356165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1120356165 is a deficient number, since it is larger than the sum of its proper divisors (680047035).

1120356165 is a wasteful number, since it uses less digits than its factorization.

1120356165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326396.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1120356165 is about 33471.7218708569. The cubic root of 1120356165 is about 1038.6088911237.

Adding to 1120356165 its reverse (5616530211), we get a palindrome (6736886376).

The spelling of 1120356165 in words is "one billion, one hundred twenty million, three hundred fifty-six thousand, one hundred sixty-five".