42951112 has 32 divisors (see below), whose sum is σ = 85627800. Its totient is φ = 20127744.

The previous prime is 42951079. The next prime is 42951157. The reversal of 42951112 is 21115924.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25260676 + 17690436 = 5026^2 + 4206^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42064 + ... + 43072.

Almost surely, 2^42951112 is an apocalyptic number.

It is an amenable number.

42951112 is a deficient number, since it is larger than the sum of its proper divisors (42676688).

42951112 is a wasteful number, since it uses less digits than its factorization.

42951112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1341 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 42951112 is about 6553.7097891194. The cubic root of 42951112 is about 350.2069850508.

The spelling of 42951112 in words is "forty-two million, nine hundred fifty-one thousand, one hundred twelve".