42007103 has 2 divisors, whose sum is σ = 42007104. Its totient is φ = 42007102.

The previous prime is 42007067. The next prime is 42007129. The reversal of 42007103 is 30170024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42007103 - 2²² = 37812799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42004103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21003551 + 21003552.

It is an arithmetic number, because the mean of its divisors is an integer number (21003552).

Almost surely, 2^42007103 is an apocalyptic number.

42007103 is a deficient number, since it is larger than the sum of its proper divisors (1).

42007103 is an equidigital number, since it uses as much as digits as its factorization.

42007103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 42007103 is about 6481.2886835875. The cubic root of 42007103 is about 347.6222587946.

Adding to 42007103 its reverse (30170024), we get a palindrome (72177127).

The spelling of 42007103 in words is "forty-two million, seven thousand, one hundred three".