1130403 has 4 divisors (see below), whose sum is σ = 1507208. Its totient is φ = 753600.

The previous prime is 1130369. The next prime is 1130407. The reversal of 1130403 is 3040311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1130403 - 2¹⁴ = 1114019 is a prime.

It is a super-3 number, since 3×1130403³ = 4333323968195882481, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1130407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188398 + ... + 188403.

It is an arithmetic number, because the mean of its divisors is an integer number (376802).

2^1130403 is an apocalyptic number.

1130403 is a deficient number, since it is larger than the sum of its proper divisors (376805).

1130403 is an equidigital number, since it uses as much as digits as its factorization.

1130403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376804.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1130403 is about 1063.2041196308. The cubic root of 1130403 is about 104.1704244689.

Adding to 1130403 its reverse (3040311), we get a palindrome (4170714).

It can be divided in two parts, 11 and 30403, that multiplied together give a palindrome (334433).

The spelling of 1130403 in words is "one million, one hundred thirty thousand, four hundred three".