1130040 has 96 divisors (see below), whose sum is σ = 3809520. Its totient is φ = 290304.

The previous prime is 1130039. The next prime is 1130047. The reversal of 1130040 is 400311.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15444 + ... + 15516.

2^1130040 is an apocalyptic number.

1130040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1904760).

1130040 is an abundant number, since it is smaller than the sum of its proper divisors (2679480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1130040 is a wasteful number, since it uses less digits than its factorization.

1130040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1130040 is about 1063.0333955243. The cubic root of 1130040 is about 104.1592727196.

Adding to 1130040 its reverse (400311), we get a palindrome (1530351).

The spelling of 1130040 in words is "one million, one hundred thirty thousand, forty".