1100087 has 8 divisors (see below), whose sum is σ = 1174896. Its totient is φ = 1026432.

The previous prime is 1100063. The next prime is 1100089. The reversal of 1100087 is 7800011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100087 - 2⁶ = 1100023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2573 + ... + 2969.

It is an arithmetic number, because the mean of its divisors is an integer number (146862).

2^1100087 is an apocalyptic number.

1100087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1100087 is a deficient number, since it is larger than the sum of its proper divisors (74809).

1100087 is a wasteful number, since it uses less digits than its factorization.

1100087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 1100087 is about 1048.8503229727. The cubic root of 1100087 is about 103.2307329397.

Adding to 1100087 its reverse (7800011), we get a palindrome (8900098).

The spelling of 1100087 in words is "one million, one hundred thousand, eighty-seven".