1102863 has 4 divisors (see below), whose sum is σ = 1470488. Its totient is φ = 735240.

The previous prime is 1102861. The next prime is 1102879. The reversal of 1102863 is 3682011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3682011 = 3 ⋅1227337.

It is not a de Polignac number, because 1102863 - 2¹ = 1102861 is a prime.

It is a D-number.

It is a Duffinian number.

1102863 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183808 + ... + 183813.

It is an arithmetic number, because the mean of its divisors is an integer number (367622).

2^1102863 is an apocalyptic number.

1102863 is a deficient number, since it is larger than the sum of its proper divisors (367625).

1102863 is an equidigital number, since it uses as much as digits as its factorization.

1102863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367624.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1102863 is about 1050.1728429168. The cubic root of 1102863 is about 103.3174920797.

Adding to 1102863 its reverse (3682011), we get a palindrome (4784874).

The spelling of 1102863 in words is "one million, one hundred two thousand, eight hundred sixty-three".