1170870 has 32 divisors (see below), whose sum is σ = 2903040. Its totient is φ = 301920.

The previous prime is 1170863. The next prime is 1170899. The reversal of 1170870 is 780711.

It is a self number, because there is not a number n which added to its sum of digits gives 1170870.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2^1170870 is an apocalyptic number.

1170870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1170870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520).

1170870 is an abundant number, since it is smaller than the sum of its proper divisors (1732170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1170870 is a wasteful number, since it uses less digits than its factorization.

1170870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300.

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 1170870 is about 1082.0674655492. The cubic root of 1170870 is about 105.3989358824.

The spelling of 1170870 in words is "one million, one hundred seventy thousand, eight hundred seventy".