1089135 has 12 divisors (see below), whose sum is σ = 1887912. Its totient is φ = 580848.

The previous prime is 1089133. The next prime is 1089161. The reversal of 1089135 is 5319801.

It is not a de Polignac number, because 1089135 - 2¹ = 1089133 is a prime.

1089135 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1089099 and 1089108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12057 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (157326).

2^1089135 is an apocalyptic number.

1089135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1089135 is a deficient number, since it is larger than the sum of its proper divisors (798777).

1089135 is a wasteful number, since it uses less digits than its factorization.

1089135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24214 (or 24211 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1089135 is about 1043.6163088032. The cubic root of 1089135 is about 102.8870159593.

The spelling of 1089135 in words is "one million, eighty-nine thousand, one hundred thirty-five".