1108138603 has 16 divisors (see below), whose sum is σ = 1302852096. Its totient is φ = 929204640.

The previous prime is 1108138579. The next prime is 1108138621. The reversal of 1108138603 is 3068318011.

It is not a de Polignac number, because 1108138603 - 2⁵ = 1108138571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1108138103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 287950 + ... + 291772.

It is an arithmetic number, because the mean of its divisors is an integer number (81428256).

Almost surely, 2^1108138603 is an apocalyptic number.

1108138603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1108138603 is a deficient number, since it is larger than the sum of its proper divisors (194713493).

1108138603 is a wasteful number, since it uses less digits than its factorization.

1108138603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5874.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1108138603 is about 33288.7158508705. The cubic root of 1108138603 is about 1034.8197163953.

The spelling of 1108138603 in words is "one billion, one hundred eight million, one hundred thirty-eight thousand, six hundred three".