1120142765 has 8 divisors (see below), whose sum is σ = 1536195840. Its totient is φ = 768097872.

The previous prime is 1120142753. The next prime is 1120142827. The reversal of 1120142765 is 5672410211.

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

It is a cyclic number.

It is not a de Polignac number, because 1120142765 - 2¹⁶ = 1120077229 is a prime.

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, 16002005 + ... + 16002074.

It is an arithmetic number, because the mean of its divisors is an integer number (192024480).

Almost surely, 2^1120142765 is an apocalyptic number.

It is an amenable number.

1120142765 is a deficient number, since it is larger than the sum of its proper divisors (416053075).

1120142765 is an equidigital number, since it uses as much as digits as its factorization.

1120142765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32004091.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1120142765 is about 33468.5339535511. The cubic root of 1120142765 is about 1038.5429438777.

Adding to 1120142765 its reverse (5672410211), we get a palindrome (6792552976).

The spelling of 1120142765 in words is "one billion, one hundred twenty million, one hundred forty-two thousand, seven hundred sixty-five".