1118126603 has 4 divisors (see below), whose sum is σ = 1219774488. Its totient is φ = 1016478720.

The previous prime is 1118126599. The next prime is 1118126617. The reversal of 1118126603 is 3066218111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1118126603 - 2² = 1118126599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118126803) 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 3 ways as a sum of consecutive naturals, for example, 50823926 + ... + 50823947.

It is an arithmetic number, because the mean of its divisors is an integer number (304943622).

Almost surely, 2^1118126603 is an apocalyptic number.

1118126603 is a deficient number, since it is larger than the sum of its proper divisors (101647885).

1118126603 is a wasteful number, since it uses less digits than its factorization.

1118126603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101647884.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1118126603 is about 33438.4001262022. The cubic root of 1118126603 is about 1037.9194732495.

It can be divided in two parts, 1118 and 126603, that added together give a palindrome (127721).

The spelling of 1118126603 in words is "one billion, one hundred eighteen million, one hundred twenty-six thousand, six hundred three".