1088521 has 8 divisors (see below), whose sum is σ = 1298304. Its totient is φ = 892320.

The previous prime is 1088519. The next prime is 1088533. The reversal of 1088521 is 1258801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1088521 - 2¹ = 1088519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088621) 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 7 ways as a sum of consecutive naturals, for example, 3220 + ... + 3541.

It is an arithmetic number, because the mean of its divisors is an integer number (162288).

2^1088521 is an apocalyptic number.

It is an amenable number.

1088521 is a deficient number, since it is larger than the sum of its proper divisors (209783).

1088521 is an equidigital number, since it uses as much as digits as its factorization.

1088521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 1088521 is about 1043.3220979161. The cubic root of 1088521 is about 102.8676781353.

The spelling of 1088521 in words is "one million, eighty-eight thousand, five hundred twenty-one".