1132520 has 32 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 432960.

The previous prime is 1132519. The next prime is 1132529. The reversal of 1132520 is 252311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1132495 and 1132504.

It is not an unprimeable number, because it can be changed into a prime (1132529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305 + ... + 1535.

It is an arithmetic number, because the mean of its divisors is an integer number (83160).

2^1132520 is an apocalyptic number.

1132520 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 1132520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330560).

1132520 is an abundant number, since it is smaller than the sum of its proper divisors (1528600).

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

1132520 is a wasteful number, since it uses less digits than its factorization.

1132520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1261 counting only the distinct ones).

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

The square root of 1132520 is about 1064.1992294679. The cubic root of 1132520 is about 104.2354134637.

Adding to 1132520 its reverse (252311), we get a palindrome (1384831).

The spelling of 1132520 in words is "one million, one hundred thirty-two thousand, five hundred twenty".