42207105 has 8 divisors (see below), whose sum is σ = 67531392. Its totient is φ = 22510448.

The previous prime is 42207103. The next prime is 42207131. The reversal of 42207105 is 50170224.

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

It is a cyclic number.

It is not a de Polignac number, because 42207105 - 2¹ = 42207103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42207103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406889 + ... + 1406918.

It is an arithmetic number, because the mean of its divisors is an integer number (8441424).

Almost surely, 2^42207105 is an apocalyptic number.

It is an amenable number.

42207105 is a deficient number, since it is larger than the sum of its proper divisors (25324287).

42207105 is a wasteful number, since it uses less digits than its factorization.

42207105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813815.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 42207105 is about 6496.6995466929. The cubic root of 42207105 is about 348.1730791175.

Adding to 42207105 its reverse (50170224), we get a palindrome (92377329).

It can be divided in two parts, 4220 and 7105, that added together give a triangular number (11325 = T₁₅₀).

The spelling of 42207105 in words is "forty-two million, two hundred seven thousand, one hundred five".