1130778 has 24 divisors (see below), whose sum is σ = 2673216. Its totient is φ = 342600.

The previous prime is 1130777. The next prime is 1130783. The reversal of 1130778 is 8770311.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1130777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658 + ... + 3053.

It is an arithmetic number, because the mean of its divisors is an integer number (111384).

2^1130778 is an apocalyptic number.

1130778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1130778 is an abundant number, since it is smaller than the sum of its proper divisors (1542438).

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

1130778 is a wasteful number, since it uses less digits than its factorization.

1130778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5730 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1130778 is about 1063.3804587259. The cubic root of 1130778 is about 104.1819423642.

The spelling of 1130778 in words is "one million, one hundred thirty thousand, seven hundred seventy-eight".