1160840 has 16 divisors (see below), whose sum is σ = 2611980. Its totient is φ = 464320.

The previous prime is 1160839. The next prime is 1160867. The reversal of 1160840 is 480611.

It can be written as a sum of positive squares in 2 ways, for example, as 1085764 + 75076 = 1042^2 + 274^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14471 + ... + 14550.

2^1160840 is an apocalyptic number.

1160840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1160840 is an abundant number, since it is smaller than the sum of its proper divisors (1451140).

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

1160840 is a wasteful number, since it uses less digits than its factorization.

1160840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29032 (or 29028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1160840 is about 1077.4228510664. The cubic root of 1160840 is about 105.0971134788.

The spelling of 1160840 in words is "one million, one hundred sixty thousand, eight hundred forty".