42249112 has 8 divisors (see below), whose sum is σ = 79217100. Its totient is φ = 21124552.

The previous prime is 42249107. The next prime is 42249127. The reversal of 42249112 is 21194224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 2640562 + ... + 2640577.

Almost surely, 2^42249112 is an apocalyptic number.

It is an amenable number.

42249112 is a deficient number, since it is larger than the sum of its proper divisors (36967988).

42249112 is a wasteful number, since it uses less digits than its factorization.

42249112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281145 (or 5281141 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 42249112 is about 6499.9316919488. The cubic root of 42249112 is about 348.2885482792.

The spelling of 42249112 in words is "forty-two million, two hundred forty-nine thousand, one hundred twelve".