1128730165 has 8 divisors (see below), whose sum is σ = 1354822560. Its totient is φ = 902753232.

The previous prime is 1128730159. The next prime is 1128730193. The reversal of 1128730165 is 5610378211.

It is a happy number.

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 1128730165 - 2¹⁵ = 1128697397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1128730165.

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, 5659 + ... + 47848.

It is an arithmetic number, because the mean of its divisors is an integer number (169352820).

Almost surely, 2^1128730165 is an apocalyptic number.

It is an amenable number.

1128730165 is a deficient number, since it is larger than the sum of its proper divisors (226092395).

1128730165 is an equidigital number, since it uses as much as digits as its factorization.

1128730165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57731.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1128730165 is about 33596.5796622216. The cubic root of 1128730165 is about 1041.1901331649.

The spelling of 1128730165 in words is "one billion, one hundred twenty-eight million, seven hundred thirty thousand, one hundred sixty-five".