42007105 has 16 divisors (see below), whose sum is σ = 57826944. Its totient is φ = 28696320.

The previous prime is 42007103. The next prime is 42007129. The reversal of 42007105 is 50170024.

It is not a de Polignac number, because 42007105 - 2¹ = 42007103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42007103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7785 + ... + 12025.

It is an arithmetic number, because the mean of its divisors is an integer number (3614184).

Almost surely, 2^42007105 is an apocalyptic number.

It is an amenable number.

42007105 is a deficient number, since it is larger than the sum of its proper divisors (15819839).

42007105 is a wasteful number, since it uses less digits than its factorization.

42007105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 42007105 is about 6481.2888378778. The cubic root of 42007105 is about 347.6222643115.

Adding to 42007105 its reverse (50170024), we get a palindrome (92177129).

The spelling of 42007105 in words is "forty-two million, seven thousand, one hundred five".