1159680 has 80 divisors (see below), whose sum is σ = 3731904. Its totient is φ = 307200.

The previous prime is 1159663. The next prime is 1159709. The reversal of 1159680 is 869511.

It is a happy number.

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 (30).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7605 + ... + 7755.

2^1159680 is an apocalyptic number.

1159680 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 1159680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865952).

1159680 is an abundant number, since it is smaller than the sum of its proper divisors (2572224).

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

1159680 is an equidigital number, since it uses as much as digits as its factorization.

1159680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1159680 is about 1076.8843949097. The cubic root of 1159680 is about 105.0620947905.

The spelling of 1159680 in words is "one million, one hundred fifty-nine thousand, six hundred eighty".