42012103 has 8 divisors (see below), whose sum is σ = 48801440. Its totient is φ = 35419680.

The previous prime is 42012079. The next prime is 42012107. The reversal of 42012103 is 30121024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42012103 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 (42012107) 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 7 ways as a sum of consecutive naturals, for example, 48768 + ... + 49621.

It is an arithmetic number, because the mean of its divisors is an integer number (6100180).

Almost surely, 2^42012103 is an apocalyptic number.

42012103 is a deficient number, since it is larger than the sum of its proper divisors (6789337).

42012103 is an equidigital number, since it uses as much as digits as its factorization.

42012103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98457.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42012103 is about 6481.6743978697. The cubic root of 42012103 is about 347.6360504490.

Adding to 42012103 its reverse (30121024), we get a palindrome (72133127).

The spelling of 42012103 in words is "forty-two million, twelve thousand, one hundred three".