42127170 has 32 divisors (see below), whose sum is σ = 101910528. Its totient is φ = 11144448.

The previous prime is 42127159. The next prime is 42127177. The reversal of 42127170 is 7172124.

It is a self number, because there is not a number n which added to its sum of digits gives 42127170.

It is not an unprimeable number, because it can be changed into a prime (42127177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719 + ... + 9338.

It is an arithmetic number, because the mean of its divisors is an integer number (3184704).

Almost surely, 2^42127170 is an apocalyptic number.

42127170 is an abundant number, since it is smaller than the sum of its proper divisors (59783358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42127170 is a wasteful number, since it uses less digits than its factorization.

42127170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 42127170 is about 6490.5446612746. The cubic root of 42127170 is about 347.9531413985.

Adding to 42127170 its reverse (7172124), we get a palindrome (49299294).

The spelling of 42127170 in words is "forty-two million, one hundred twenty-seven thousand, one hundred seventy".