1102203 has 24 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 685440.

The previous prime is 1102201. The next prime is 1102237. The reversal of 1102203 is 3022011.

It is a happy number.

It is not a de Polignac number, because 1102203 - 2¹ = 1102201 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 (1102201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10650 + ... + 10752.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2^1102203 is an apocalyptic number.

1102203 is a deficient number, since it is larger than the sum of its proper divisors (601317).

1102203 is a wasteful number, since it uses less digits than its factorization.

1102203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

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

The square root of 1102203 is about 1049.8585619025. The cubic root of 1102203 is about 103.2968781104.

Adding to 1102203 its reverse (3022011), we get a palindrome (4124214).

The spelling of 1102203 in words is "one million, one hundred two thousand, two hundred three".