1102003209 has 24 divisors (see below), whose sum is σ = 1666496832. Its totient is φ = 700397280.

The previous prime is 1102003187. The next prime is 1102003229. The reversal of 1102003209 is 9023002011.

It is a happy number.

It is not a de Polignac number, because 1102003209 - 2⁸ = 1102002953 is a prime.

It is a super-2 number, since 2×1102003209² = 2428822145292595362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1102003191 and 1102003200.

It is not an unprimeable number, because it can be changed into a prime (1102003229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54879 + ... + 72219.

It is an arithmetic number, because the mean of its divisors is an integer number (69437368).

Almost surely, 2^1102003209 is an apocalyptic number.

It is an amenable number.

1102003209 is a deficient number, since it is larger than the sum of its proper divisors (564493623).

1102003209 is a wasteful number, since it uses less digits than its factorization.

1102003209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17677 (or 17674 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1102003209 is about 33196.4336789361. The cubic root of 1102003209 is about 1032.9063635834.

The spelling of 1102003209 in words is "one billion, one hundred two million, three thousand, two hundred nine".