1130385 has 16 divisors (see below), whose sum is σ = 1823040. Its totient is φ = 598080.

The previous prime is 1130369. The next prime is 1130407. The reversal of 1130385 is 5830311.

It is a happy number.

1130385 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 1130385 - 2⁴ = 1130369 is a prime.

It is a super-3 number, since 3×1130385³ = 4333116966119449875, which contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2475 + ... + 2895.

It is an arithmetic number, because the mean of its divisors is an integer number (113940).

2^1130385 is an apocalyptic number.

1130385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1130385 is a deficient number, since it is larger than the sum of its proper divisors (692655).

1130385 is a wasteful number, since it uses less digits than its factorization.

1130385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1130385 is about 1063.1956546187. The cubic root of 1130385 is about 104.1698715458.

Adding to 1130385 its reverse (5830311), we get a palindrome (6960696).

The spelling of 1130385 in words is "one million, one hundred thirty thousand, three hundred eighty-five".