1170705340 has 96 divisors (see below), whose sum is σ = 3031426944. Its totient is φ = 370606080.

The previous prime is 1170705301. The next prime is 1170705343. The reversal of 1170705340 is 435070711.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1170705299 and 1170705308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1170705343) by changing a digit.

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, 121500 + ... + 130780.

It is an arithmetic number, because the mean of its divisors is an integer number (31577364).

Almost surely, 2^1170705340 is an apocalyptic number.

1170705340 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 1170705340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515713472).

1170705340 is an abundant number, since it is smaller than the sum of its proper divisors (1860721604).

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

1170705340 is a wasteful number, since it uses less digits than its factorization.

1170705340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367 (or 9365 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 1170705340 is about 34215.5716012461. The cubic root of 1170705340 is about 1053.9399488343.

The spelling of 1170705340 in words is "one billion, one hundred seventy million, seven hundred five thousand, three hundred forty".