42432105 has 16 divisors (see below), whose sum is σ = 68906304. Its totient is φ = 22292160.

The previous prime is 42432101. The next prime is 42432109. The reversal of 42432105 is 50123424.

It is an interprime number because it is at equal distance from previous prime (42432101) and next prime (42432109).

It is not a de Polignac number, because 42432105 - 2² = 42432101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42432101) 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, 20106 + ... + 22115.

It is an arithmetic number, because the mean of its divisors is an integer number (4306644).

Almost surely, 2^42432105 is an apocalyptic number.

It is an amenable number.

42432105 is a deficient number, since it is larger than the sum of its proper divisors (26474199).

42432105 is a wasteful number, since it uses less digits than its factorization.

42432105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42296.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42432105 is about 6513.9930150408. The cubic root of 42432105 is about 348.7906698373.

Adding to 42432105 its reverse (50123424), we get a palindrome (92555529).

The spelling of 42432105 in words is "forty-two million, four hundred thirty-two thousand, one hundred five".