1130405 has 16 divisors (see below), whose sum is σ = 1456320. Its totient is φ = 839808.

The previous prime is 1130369. The next prime is 1130407. The reversal of 1130405 is 5040311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130405 is a prime.

It is a super-3 number, since 3×1130405³ = 4333346968833540375, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1130405.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 6854 + ... + 7016.

It is an arithmetic number, because the mean of its divisors is an integer number (91020).

2^1130405 is an apocalyptic number.

It is an amenable number.

1130405 is a deficient number, since it is larger than the sum of its proper divisors (325915).

1130405 is a wasteful number, since it uses less digits than its factorization.

1130405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1130405 is about 1063.2050601836. The cubic root of 1130405 is about 104.1704859044.

Adding to 1130405 its reverse (5040311), we get a palindrome (6170716).

The spelling of 1130405 in words is "one million, one hundred thirty thousand, four hundred five".