1159747320 has 128 divisors (see below), whose sum is σ = 3599043840. Its totient is φ = 298767360.

The previous prime is 1159747307. The next prime is 1159747321. The reversal of 1159747320 is 237479511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159747321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525339 + ... + 527541.

It is an arithmetic number, because the mean of its divisors is an integer number (28117530).

Almost surely, 2^1159747320 is an apocalyptic number.

1159747320 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 1159747320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1799521920).

1159747320 is an abundant number, since it is smaller than the sum of its proper divisors (2439296520).

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

1159747320 is a wasteful number, since it uses less digits than its factorization.

1159747320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365 (or 2361 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 1159747320 is about 34055.0630596979. The cubic root of 1159747320 is about 1050.6412772007.

The spelling of 1159747320 in words is "one billion, one hundred fifty-nine million, seven hundred forty-seven thousand, three hundred twenty".