1130355 has 20 divisors (see below), whose sum is σ = 2026992. Its totient is φ = 602640.

The previous prime is 1130351. The next prime is 1130359. The reversal of 1130355 is 5530311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1130351) and next prime (1130359).

It is not a de Polignac number, because 1130355 - 2² = 1130351 is a prime.

1130355 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1130351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 991 + ... + 1800.

2^1130355 is an apocalyptic number.

1130355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1130355 is a deficient number, since it is larger than the sum of its proper divisors (896637).

1130355 is an equidigital number, since it uses as much as digits as its factorization.

1130355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2808 (or 2799 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 1130355 is about 1063.1815461152. The cubic root of 1130355 is about 104.1689499944.

Adding to 1130355 its reverse (5530311), we get a palindrome (6660666).

It can be divided in two parts, 1130 and 355, that added together give a triangular number (1485 = T₅₄).

The spelling of 1130355 in words is "one million, one hundred thirty thousand, three hundred fifty-five".