42407103 has 4 divisors (see below), whose sum is σ = 56542808. Its totient is φ = 28271400.

The previous prime is 42407089. The next prime is 42407111. The reversal of 42407103 is 30170424.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42407103 - 2⁹ = 42406591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42407103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42407153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7067848 + ... + 7067853.

It is an arithmetic number, because the mean of its divisors is an integer number (14135702).

Almost surely, 2^42407103 is an apocalyptic number.

42407103 is a deficient number, since it is larger than the sum of its proper divisors (14135705).

42407103 is a wasteful number, since it uses less digits than its factorization.

42407103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14135704.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 42407103 is about 6512.0736328761. The cubic root of 42407103 is about 348.7221511401.

Adding to 42407103 its reverse (30170424), we get a palindrome (72577527).

The spelling of 42407103 in words is "forty-two million, four hundred seven thousand, one hundred three".