1128195 has 32 divisors (see below), whose sum is σ = 2053440. Its totient is φ = 587520.

The previous prime is 1128181. The next prime is 1128209. The reversal of 1128195 is 5918211.

It is an interprime number because it is at equal distance from previous prime (1128181) and next prime (1128209).

It is not a de Polignac number, because 1128195 - 2⁹ = 1127683 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1128195 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8167 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (64170).

2^1128195 is an apocalyptic number.

1128195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128195 is a deficient number, since it is larger than the sum of its proper divisors (925245).

1128195 is a wasteful number, since it uses less digits than its factorization.

1128195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 206 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1128195 is about 1062.1652413820. The cubic root of 1128195 is about 104.1025553941.

The spelling of 1128195 in words is "one million, one hundred twenty-eight thousand, one hundred ninety-five".