1102003663 has 4 divisors (see below), whose sum is σ = 1103558680. Its totient is φ = 1100448648.

The previous prime is 1102003649. The next prime is 1102003673. The reversal of 1102003663 is 3663002011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1102003663 - 2⁹ = 1102003151 is a prime.

It is a Duffinian number.

1102003663 is a modest number, since divided by 3663 gives 1102 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102003603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 776445 + ... + 777862.

It is an arithmetic number, because the mean of its divisors is an integer number (275889670).

Almost surely, 2^1102003663 is an apocalyptic number.

1102003663 is a deficient number, since it is larger than the sum of its proper divisors (1555017).

1102003663 is an equidigital number, since it uses as much as digits as its factorization.

1102003663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555016.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1102003663 is about 33196.4405170193. The cubic root of 1102003663 is about 1032.9065054279.

Adding to 1102003663 its reverse (3663002011), we get a palindrome (4765005674).

The spelling of 1102003663 in words is "one billion, one hundred two million, three thousand, six hundred sixty-three".