1089170 has 8 divisors (see below), whose sum is σ = 1960524. Its totient is φ = 435664.

The previous prime is 1089161. The next prime is 1089191. The reversal of 1089170 is 719801.

It can be written as a sum of positive squares in 2 ways, for example, as 1026169 + 63001 = 1013^2 + 251^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54449 + ... + 54468.

2^1089170 is an apocalyptic number.

1089170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089170 is a deficient number, since it is larger than the sum of its proper divisors (871354).

1089170 is a wasteful number, since it uses less digits than its factorization.

1089170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108924.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1089170 is about 1043.6330772834. The cubic root of 1089170 is about 102.8881180593. Note that the first 3 decimals are identical.

The spelling of 1089170 in words is "one million, eighty-nine thousand, one hundred seventy".