1108603 has 2 divisors, whose sum is σ = 1108604. Its totient is φ = 1108602.

The previous prime is 1108579. The next prime is 1108609. The reversal of 1108603 is 3068011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1108603 - 2⁵ = 1108571 is a prime.

It is a super-2 number, since 2×1108603² = 2458001223218, which contains 22 as substring.

It is a plaindrome in base 12.

It is not a weakly prime, because it can be changed into another prime (1108609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554301 + 554302.

It is an arithmetic number, because the mean of its divisors is an integer number (554302).

2^1108603 is an apocalyptic number.

1108603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108603 is an equidigital number, since it uses as much as digits as its factorization.

1108603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1108603 is about 1052.9021796919. The cubic root of 1108603 is about 103.4964253085.

It can be divided in two parts, 1108 and 603, that added together give a triangular number (1711 = T₅₈).

The spelling of 1108603 in words is "one million, one hundred eight thousand, six hundred three".