42928127 has 4 divisors (see below), whose sum is σ = 46830696. Its totient is φ = 39025560.

The previous prime is 42928121. The next prime is 42928129. The reversal of 42928127 is 72182924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42928127 - 2⁶ = 42928063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42928121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951268 + ... + 1951289.

It is an arithmetic number, because the mean of its divisors is an integer number (11707674).

Almost surely, 2^42928127 is an apocalyptic number.

42928127 is a deficient number, since it is larger than the sum of its proper divisors (3902569).

42928127 is a wasteful number, since it uses less digits than its factorization.

42928127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902568.

The product of its digits is 16128, while the sum is 35.

The square root of 42928127 is about 6551.9559674955. The cubic root of 42928127 is about 350.1445035963.

The spelling of 42928127 in words is "forty-two million, nine hundred twenty-eight thousand, one hundred twenty-seven".