1128170 has 16 divisors (see below), whose sum is σ = 2052648. Its totient is φ = 446400.

The previous prime is 1128161. The next prime is 1128181. The reversal of 1128170 is 718211.

It can be written as a sum of positive squares in 4 ways, for example, as 908209 + 219961 = 953^2 + 469^2 .

It is a Curzon number.

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, 452 + ... + 1568.

2^1128170 is an apocalyptic number.

1128170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128170 is a deficient number, since it is larger than the sum of its proper divisors (924478).

1128170 is a wasteful number, since it uses less digits than its factorization.

1128170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1128170 is about 1062.1534729030. The cubic root of 1128170 is about 104.1017864422.

The spelling of 1128170 in words is "one million, one hundred twenty-eight thousand, one hundred seventy".