1102289 has 4 divisors (see below), whose sum is σ = 1107456. Its totient is φ = 1097124.

The previous prime is 1102279. The next prime is 1102301. The reversal of 1102289 is 9822011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9822011 = 2833 ⋅3467.

It is a cyclic number.

It is not a de Polignac number, because 1102289 - 2¹² = 1098193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102249) 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, 2249 + ... + 2694.

It is an arithmetic number, because the mean of its divisors is an integer number (276864).

2^1102289 is an apocalyptic number.

It is an amenable number.

1102289 is a deficient number, since it is larger than the sum of its proper divisors (5167).

1102289 is an equidigital number, since it uses as much as digits as its factorization.

1102289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1102289 is about 1049.8995190017. The cubic root of 1102289 is about 103.2995646393.

It can be divided in two parts, 11022 and 89, that added together give a palindrome (11111).

The spelling of 1102289 in words is "one million, one hundred two thousand, two hundred eighty-nine".