1128995 has 8 divisors (see below), whose sum is σ = 1548384. Its totient is φ = 774144.

The previous prime is 1128979. The next prime is 1128997. The reversal of 1128995 is 5998211.

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

It is not a de Polignac number, because 1128995 - 2⁴ = 1128979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 32257 = 1128995 / (1 + 1 + 2 + 8 + 9 + 9 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16094 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (193548).

2^1128995 is an apocalyptic number.

1128995 is a deficient number, since it is larger than the sum of its proper divisors (419389).

1128995 is an equidigital number, since it uses as much as digits as its factorization.

1128995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32269.

The product of its digits is 6480, while the sum is 35.

The square root of 1128995 is about 1062.5417638851. The cubic root of 1128995 is about 104.1271558597.

The spelling of 1128995 in words is "one million, one hundred twenty-eight thousand, nine hundred ninety-five".