42128202 has 8 divisors (see below), whose sum is σ = 84256416. Its totient is φ = 14042732.

The previous prime is 42128201. The next prime is 42128209. The reversal of 42128202 is 20282124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

42128202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (42128201) 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 3 ways as a sum of consecutive naturals, for example, 3510678 + ... + 3510689.

It is an arithmetic number, because the mean of its divisors is an integer number (10532052).

Almost surely, 2^42128202 is an apocalyptic number.

42128202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42128202 is a wasteful number, since it uses less digits than its factorization.

42128202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021372.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 42128202 is about 6490.6241610495. The cubic root of 42128202 is about 347.9559826741.

The spelling of 42128202 in words is "forty-two million, one hundred twenty-eight thousand, two hundred two".