1120143165 has 16 divisors (see below), whose sum is σ = 1835942976. Its totient is φ = 582838400.

The previous prime is 1120143161. The next prime is 1120143173. The reversal of 1120143165 is 5613410211.

It is a happy number.

It is not a de Polignac number, because 1120143165 - 2² = 1120143161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120143161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910071 + ... + 911300.

It is an arithmetic number, because the mean of its divisors is an integer number (114746436).

Almost surely, 2^1120143165 is an apocalyptic number.

1120143165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1120143165 is a deficient number, since it is larger than the sum of its proper divisors (715799811).

1120143165 is a wasteful number, since it uses less digits than its factorization.

1120143165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821420.

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

The square root of 1120143165 is about 33468.5399293127. The cubic root of 1120143165 is about 1038.5430674979.

Adding to 1120143165 its reverse (5613410211), we get a palindrome (6733553376).

The spelling of 1120143165 in words is "one billion, one hundred twenty million, one hundred forty-three thousand, one hundred sixty-five".