1170116280 has 160 divisors (see below), whose sum is σ = 3946971600. Its totient is φ = 310915584.

The previous prime is 1170116131. The next prime is 1170116291. The reversal of 1170116280 is 826110711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 39 ways as a sum of consecutive naturals, for example, 1324719 + ... + 1325601.

Almost surely, 2^1170116280 is an apocalyptic number.

1170116280 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 1170116280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1973485800).

1170116280 is an abundant number, since it is smaller than the sum of its proper divisors (2776855320).

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

1170116280 is a wasteful number, since it uses less digits than its factorization.

1170116280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315 (or 1302 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

The square root of 1170116280 is about 34206.9624491857. The cubic root of 1170116280 is about 1053.7631499986.

Adding to 1170116280 its reverse (826110711), we get a palindrome (1996226991).

The spelling of 1170116280 in words is "one billion, one hundred seventy million, one hundred sixteen thousand, two hundred eighty".