103138603 has 8 divisors (see below), whose sum is σ = 104372928. Its totient is φ = 101910144.

The previous prime is 103138597. The next prime is 103138619. The reversal of 103138603 is 306831301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103138603 - 2⁵ = 103138571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103148603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40926 + ... + 43372.

It is an arithmetic number, because the mean of its divisors is an integer number (13046616).

Almost surely, 2^103138603 is an apocalyptic number.

103138603 is a deficient number, since it is larger than the sum of its proper divisors (1234325).

103138603 is a wasteful number, since it uses less digits than its factorization.

103138603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 103138603 is about 10155.7177491303. The cubic root of 103138603 is about 468.9649820873.

Adding to 103138603 its reverse (306831301), we get a palindrome (409969904).

The spelling of 103138603 in words is "one hundred three million, one hundred thirty-eight thousand, six hundred three".