1120716865 has 8 divisors (see below), whose sum is σ = 1381208040. Its totient is φ = 872341632.

The previous prime is 1120716797. The next prime is 1120716889. The reversal of 1120716865 is 5686170211.

It can be written as a sum of positive squares in 4 ways, for example, as 588353536 + 532363329 = 24256^2 + 23073^2 .

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 1120716865 - 2¹⁷ = 1120585793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3028780 + ... + 3029149.

It is an arithmetic number, because the mean of its divisors is an integer number (172651005).

Almost surely, 2^1120716865 is an apocalyptic number.

It is an amenable number.

1120716865 is a deficient number, since it is larger than the sum of its proper divisors (260491175).

1120716865 is an equidigital number, since it uses as much as digits as its factorization.

1120716865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057971.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1120716865 is about 33477.1095675836. The cubic root of 1120716865 is about 1038.7203396202.

The spelling of 1120716865 in words is "one billion, one hundred twenty million, seven hundred sixteen thousand, eight hundred sixty-five".