42159212 has 6 divisors (see below), whose sum is σ = 73778628. Its totient is φ = 21079604.

The previous prime is 42159209. The next prime is 42159223. The reversal of 42159212 is 21295124.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5269898 + ... + 5269905.

It is an arithmetic number, because the mean of its divisors is an integer number (12296438).

Almost surely, 2^42159212 is an apocalyptic number.

It is an amenable number.

42159212 is a deficient number, since it is larger than the sum of its proper divisors (31619416).

42159212 is a wasteful number, since it uses less digits than its factorization.

42159212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10539807 (or 10539805 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 42159212 is about 6493.0125519669. The cubic root of 42159212 is about 348.0413369666.

The spelling of 42159212 in words is "forty-two million, one hundred fifty-nine thousand, two hundred twelve".