42127210 has 16 divisors (see below), whose sum is σ = 77073192. Its totient is φ = 16574400.

The previous prime is 42127193. The next prime is 42127223. The reversal of 42127210 is 1272124.

It is a happy number.

42127210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25210441 + 16916769 = 5021^2 + 4113^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33921 + ... + 35140.

Almost surely, 2^42127210 is an apocalyptic number.

42127210 is a deficient number, since it is larger than the sum of its proper divisors (34945982).

42127210 is a wasteful number, since it uses less digits than its factorization.

42127210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69129.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 42127210 is about 6490.5477426793. The cubic root of 42127210 is about 347.9532515263.

Adding to 42127210 its reverse (1272124), we get a palindrome (43399334).

The spelling of 42127210 in words is "forty-two million, one hundred twenty-seven thousand, two hundred ten".