42127503 has 16 divisors (see below), whose sum is σ = 64502400. Its totient is φ = 24187680.

The previous prime is 42127493. The next prime is 42127511. The reversal of 42127503 is 30572124.

It is not a de Polignac number, because 42127503 - 2⁶ = 42127439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42127903) 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, 32968 + ... + 34221.

It is an arithmetic number, because the mean of its divisors is an integer number (4031400).

Almost surely, 2^42127503 is an apocalyptic number.

42127503 is a deficient number, since it is larger than the sum of its proper divisors (22374897).

42127503 is a wasteful number, since it uses less digits than its factorization.

42127503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67222.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 42127503 is about 6490.5703139247. The cubic root of 42127503 is about 347.9540582105.

Adding to 42127503 its reverse (30572124), we get a palindrome (72699627).

The spelling of 42127503 in words is "forty-two million, one hundred twenty-seven thousand, five hundred three".