1130278 has 8 divisors (see below), whose sum is σ = 1727568. Its totient is φ = 554424.

The previous prime is 1130273. The next prime is 1130281. The reversal of 1130278 is 8720311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5226 + ... + 5437.

It is an arithmetic number, because the mean of its divisors is an integer number (215946).

2^1130278 is an apocalyptic number.

1130278 is a deficient number, since it is larger than the sum of its proper divisors (597290).

1130278 is a wasteful number, since it uses less digits than its factorization.

1130278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10718.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 1130278 is about 1063.1453334328. The cubic root of 1130278 is about 104.1665846044.

Subtracting from 1130278 its sum of digits (22), we obtain a triangular number (1130256 = T₁₅₀₃).

Adding to 1130278 its reverse (8720311), we get a palindrome (9850589).

The spelling of 1130278 in words is "one million, one hundred thirty thousand, two hundred seventy-eight".