1089572 has 12 divisors (see below), whose sum is σ = 2080176. Its totient is φ = 495240.

The previous prime is 1089563. The next prime is 1089611. The reversal of 1089572 is 2759801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12338 + ... + 12425.

It is an arithmetic number, because the mean of its divisors is an integer number (173348).

2^1089572 is an apocalyptic number.

It is an amenable number.

1089572 is a deficient number, since it is larger than the sum of its proper divisors (990604).

1089572 is a wasteful number, since it uses less digits than its factorization.

1089572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24778 (or 24776 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1089572 is about 1043.8256559407. The cubic root of 1089572 is about 102.9007747721.

It can be divided in two parts, 1089 and 572, that added together give a palindrome (1661).

The spelling of 1089572 in words is "one million, eighty-nine thousand, five hundred seventy-two".