1102287 has 8 divisors (see below), whose sum is σ = 1488640. Its totient is φ = 725400.

The previous prime is 1102279. The next prime is 1102301. The reversal of 1102287 is 7822011.

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

It is not a de Polignac number, because 1102287 - 2³ = 1102279 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2089 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (186080).

2^1102287 is an apocalyptic number.

1102287 is a deficient number, since it is larger than the sum of its proper divisors (386353).

1102287 is an equidigital number, since it uses as much as digits as its factorization.

1102287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 1102287 is about 1049.8985665292. The cubic root of 1102287 is about 103.2995021635.

Adding to 1102287 its reverse (7822011), we get a palindrome (8924298).

The spelling of 1102287 in words is "one million, one hundred two thousand, two hundred eighty-seven".