1103287089 has 4 divisors (see below), whose sum is σ = 1471049456. Its totient is φ = 735524724.

The previous prime is 1103287067. The next prime is 1103287093. The reversal of 1103287089 is 9807823011.

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.

It is not a de Polignac number, because 1103287089 - 2²¹ = 1101189937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1103287099) 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, 183881179 + ... + 183881184.

It is an arithmetic number, because the mean of its divisors is an integer number (367762364).

Almost surely, 2^1103287089 is an apocalyptic number.

It is an amenable number.

1103287089 is a deficient number, since it is larger than the sum of its proper divisors (367762367).

1103287089 is an equidigital number, since it uses as much as digits as its factorization.

1103287089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367762366.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 1103287089 is about 33215.7656693324. The cubic root of 1103287089 is about 1033.3073343326.

The spelling of 1103287089 in words is "one billion, one hundred three million, two hundred eighty-seven thousand, eighty-nine".