1132521 has 16 divisors (see below), whose sum is σ = 1653120. Its totient is φ = 685440.

The previous prime is 1132519. The next prime is 1132529. The reversal of 1132521 is 1252311.

It is not a de Polignac number, because 1132521 - 2¹ = 1132519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1132521.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2565 + ... + 2973.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1132521 is an apocalyptic number.

It is an amenable number.

1132521 is a deficient number, since it is larger than the sum of its proper divisors (520599).

1132521 is a wasteful number, since it uses less digits than its factorization.

1132521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its digits is 60, while the sum is 15.

The square root of 1132521 is about 1064.1996993046. The cubic root of 1132521 is about 104.2354441432.

Adding to 1132521 its reverse (1252311), we get a palindrome (2384832).

It can be divided in two parts, 1132 and 521, that added together give a triangular number (1653 = T₅₇).

The spelling of 1132521 in words is "one million, one hundred thirty-two thousand, five hundred twenty-one".