1102002003 has 20 divisors (see below), whose sum is σ = 1650590040. Its totient is φ = 732709152.

The previous prime is 1102001983. The next prime is 1102002037. The reversal of 1102002003 is 3002002011.

It is a happy number.

It is not a de Polignac number, because 1102002003 - 2⁹ = 1102001491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1102002053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12751 + ... + 48647.

It is an arithmetic number, because the mean of its divisors is an integer number (82529502).

Almost surely, 2^1102002003 is an apocalyptic number.

1102002003 is a deficient number, since it is larger than the sum of its proper divisors (548588037).

1102002003 is an equidigital number, since it uses as much as digits as its factorization.

1102002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36288 (or 36279 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1102002003 is about 33196.4155143293. The cubic root of 1102002003 is about 1032.9059867891.

Adding to 1102002003 its reverse (3002002011), we get a palindrome (4104004014).

The spelling of 1102002003 in words is "one billion, one hundred two million, two thousand, three".