1109087 has 16 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 868320.

The previous prime is 1109057. The next prime is 1109113. The reversal of 1109087 is 7809011.

It is a cyclic number.

It is not a de Polignac number, because 1109087 - 2¹⁸ = 846943 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3989 + ... + 4257.

It is an arithmetic number, because the mean of its divisors is an integer number (86400).

2^1109087 is an apocalyptic number.

1109087 is a deficient number, since it is larger than the sum of its proper divisors (273313).

1109087 is a wasteful number, since it uses less digits than its factorization.

1109087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1109087 is about 1053.1319955257. The cubic root of 1109087 is about 103.5114847968.

The spelling of 1109087 in words is "one million, one hundred nine thousand, eighty-seven".