1105087 has 4 divisors (see below), whose sum is σ = 1115920. Its totient is φ = 1094256.

The previous prime is 1105067. The next prime is 1105109. The reversal of 1105087 is 7805011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7805011 = 61 ⋅127951.

It is a cyclic number.

It is not a de Polignac number, because 1105087 - 2⁷ = 1104959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262 + ... + 5467.

It is an arithmetic number, because the mean of its divisors is an integer number (278980).

2^1105087 is an apocalyptic number.

1105087 is a deficient number, since it is larger than the sum of its proper divisors (10833).

1105087 is a wasteful number, since it uses less digits than its factorization.

1105087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832.

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 1105087 is about 1051.2311829469. The cubic root of 1105087 is about 103.3868944203.

The spelling of 1105087 in words is "one million, one hundred five thousand, eighty-seven".