1201103 has 2 divisors, whose sum is σ = 1201104. Its totient is φ = 1201102.

The previous prime is 1201097. The next prime is 1201111. The reversal of 1201103 is 3011021.

It is an a-pointer prime, because the next prime (1201111) can be obtained adding 1201103 to its sum of digits (8).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201103 - 2⁴ = 1201087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600551 + 600552.

It is an arithmetic number, because the mean of its divisors is an integer number (600552).

2^1201103 is an apocalyptic number.

1201103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201103 is an equidigital number, since it uses as much as digits as its factorization.

1201103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1201103 is about 1095.9484476927. The cubic root of 1201103 is about 106.2984056256.

Adding to 1201103 its reverse (3011021), we get a palindrome (4212124).

The spelling of 1201103 in words is "one million, two hundred one thousand, one hundred three".