1170864 has 60 divisors (see below), whose sum is σ = 3365856. Its totient is φ = 379776.

The previous prime is 1170863. The next prime is 1170899. The reversal of 1170864 is 4680711.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1170863) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6682 + ... + 6854.

2^1170864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1170864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682928).

1170864 is an abundant number, since it is smaller than the sum of its proper divisors (2194992).

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

1170864 is a wasteful number, since it uses less digits than its factorization.

1170864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1170864 is about 1082.0646930752. The cubic root of 1170864 is about 105.3987558468.

The spelling of 1170864 in words is "one million, one hundred seventy thousand, eight hundred sixty-four".