1130646 has 32 divisors (see below), whose sum is σ = 2539008. Its totient is φ = 332640.

The previous prime is 1130641. The next prime is 1130651. The reversal of 1130646 is 6460311.

It is an interprime number because it is at equal distance from previous prime (1130641) and next prime (1130651).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2211 + ... + 2673.

It is an arithmetic number, because the mean of its divisors is an integer number (79344).

2^1130646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269504).

1130646 is an abundant number, since it is smaller than the sum of its proper divisors (1408362).

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

1130646 is a wasteful number, since it uses less digits than its factorization.

1130646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1130646 is about 1063.3183906996. The cubic root of 1130646 is about 104.1778883555.

Adding to 1130646 its reverse (6460311), we get a palindrome (7590957).

The spelling of 1130646 in words is "one million, one hundred thirty thousand, six hundred forty-six".