1122103 has 2 divisors, whose sum is σ = 1122104. Its totient is φ = 1122102.

The previous prime is 1122091. The next prime is 1122113. The reversal of 1122103 is 3012211.

It is an a-pointer prime, because the next prime (1122113) can be obtained adding 1122103 to its sum of digits (10).

It is a strong prime.

It is an emirp because it is prime and its reverse (3012211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122103 - 2⁵ = 1122071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561051 + 561052.

It is an arithmetic number, because the mean of its divisors is an integer number (561052).

2^1122103 is an apocalyptic number.

1122103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122103 is an equidigital number, since it uses as much as digits as its factorization.

1122103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1122103 is about 1059.2936325684. The cubic root of 1122103 is about 103.9148402964.

Adding to 1122103 its reverse (3012211), we get a palindrome (4134314).

It can be divided in two parts, 1122 and 103, that added together give a triangular number (1225 = T₄₉).

The spelling of 1122103 in words is "one million, one hundred twenty-two thousand, one hundred three".