1089527 has 4 divisors (see below), whose sum is σ = 1097976. Its totient is φ = 1081080.

The previous prime is 1089523. The next prime is 1089551. The reversal of 1089527 is 7259801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1089527 - 2² = 1089523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1089493 and 1089502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028 + ... + 4289.

It is an arithmetic number, because the mean of its divisors is an integer number (274494).

2^1089527 is an apocalyptic number.

1089527 is a deficient number, since it is larger than the sum of its proper divisors (8449).

1089527 is an equidigital number, since it uses as much as digits as its factorization.

1089527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448.

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

The square root of 1089527 is about 1043.8041003943. The cubic root of 1089527 is about 102.8993581307.

The spelling of 1089527 in words is "one million, eighty-nine thousand, five hundred twenty-seven".