42112103 has 12 divisors (see below), whose sum is σ = 48031368. Its totient is φ = 36614160.

The previous prime is 42112079. The next prime is 42112127. The reversal of 42112103 is 30121124.

It is an interprime number because it is at equal distance from previous prime (42112079) and next prime (42112127).

It is not a de Polignac number, because 42112103 - 2¹⁰ = 42111079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112153) 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 11 ways as a sum of consecutive naturals, for example, 2201 + ... + 9437.

It is an arithmetic number, because the mean of its divisors is an integer number (4002614).

Almost surely, 2^42112103 is an apocalyptic number.

42112103 is a deficient number, since it is larger than the sum of its proper divisors (5919265).

42112103 is a wasteful number, since it uses less digits than its factorization.

42112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7294 (or 7271 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 42112103 is about 6489.3838690588. The cubic root of 42112103 is about 347.9116540391.

Adding to 42112103 its reverse (30121124), we get a palindrome (72233227).

The spelling of 42112103 in words is "forty-two million, one hundred twelve thousand, one hundred three".