1170809360 has 80 divisors (see below), whose sum is σ = 3128466432. Its totient is φ = 399168000.

The previous prime is 1170809357. The next prime is 1170809399. The reversal of 1170809360 is 639080711.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1170809360.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95585 + ... + 107135.

Almost surely, 2^1170809360 is an apocalyptic number.

1170809360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1170809360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564233216).

1170809360 is an abundant number, since it is smaller than the sum of its proper divisors (1957657072).

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

1170809360 is a wasteful number, since it uses less digits than its factorization.

1170809360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11752 (or 11746 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1170809360 is about 34217.0916356139. The cubic root of 1170809360 is about 1053.9711629474.

The spelling of 1170809360 in words is "one billion, one hundred seventy million, eight hundred nine thousand, three hundred sixty".