42162112 has 14 divisors (see below), whose sum is σ = 83665568. Its totient is φ = 21081024.

The previous prime is 42162101. The next prime is 42162119. The reversal of 42162112 is 21126124.

It is a self number, because there is not a number n which added to its sum of digits gives 42162112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42162119) 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 as a sum of consecutive naturals, namely, 329328 + ... + 329455.

It is an arithmetic number, because the mean of its divisors is an integer number (5976112).

Almost surely, 2^42162112 is an apocalyptic number.

It is an amenable number.

42162112 is a deficient number, since it is larger than the sum of its proper divisors (41503456).

42162112 is an equidigital number, since it uses as much as digits as its factorization.

42162112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658795 (or 658785 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 42162112 is about 6493.2358651138. The cubic root of 42162112 is about 348.0493170077.

Adding to 42162112 its reverse (21126124), we get a palindrome (63288236).

It can be divided in two parts, 4216 and 2112, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 42162112 in words is "forty-two million, one hundred sixty-two thousand, one hundred twelve".