42103503 has 16 divisors (see below), whose sum is σ = 67174240. Its totient is φ = 25909632.

The previous prime is 42103471. The next prime is 42103511. The reversal of 42103503 is 30530124.

42103503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42103503 - 2⁵ = 42103471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42103513) 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 15 ways as a sum of consecutive naturals, for example, 59626 + ... + 60327.

It is an arithmetic number, because the mean of its divisors is an integer number (4198390).

Almost surely, 2^42103503 is an apocalyptic number.

42103503 is a deficient number, since it is larger than the sum of its proper divisors (25070737).

42103503 is a wasteful number, since it uses less digits than its factorization.

42103503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119975 (or 119969 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 42103503 is about 6488.7212145383. The cubic root of 42103503 is about 347.8879692889.

Adding to 42103503 its reverse (30530124), we get a palindrome (72633627).

The spelling of 42103503 in words is "forty-two million, one hundred three thousand, five hundred three".