1169534820 has 96 divisors (see below), whose sum is σ = 3452698368. Its totient is φ = 295206912.

The previous prime is 1169534819. The next prime is 1169534869. The reversal of 1169534820 is 284359611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129492 + ... + 138228.

It is an arithmetic number, because the mean of its divisors is an integer number (35965608).

Almost surely, 2^1169534820 is an apocalyptic number.

1169534820 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 1169534820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726349184).

1169534820 is an abundant number, since it is smaller than the sum of its proper divisors (2283163548).

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

1169534820 is a wasteful number, since it uses less digits than its factorization.

1169534820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8869 (or 8867 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1169534820 is about 34198.4622461303. The cubic root of 1169534820 is about 1053.5885740037.

The spelling of 1169534820 in words is "one billion, one hundred sixty-nine million, five hundred thirty-four thousand, eight hundred twenty".