42861292 has 12 divisors (see below), whose sum is σ = 75957280. Its totient is φ = 21159216.

The previous prime is 42861271. The next prime is 42861319. The reversal of 42861292 is 29216824.

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 in 3 ways as a sum of consecutive naturals, for example, 67503 + ... + 68134.

Almost surely, 2^42861292 is an apocalyptic number.

It is an amenable number.

42861292 is a deficient number, since it is larger than the sum of its proper divisors (33095988).

42861292 is a wasteful number, since it uses less digits than its factorization.

42861292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135720 (or 135718 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 42861292 is about 6546.8535954304. The cubic root of 42861292 is about 349.9626953438.

The spelling of 42861292 in words is "forty-two million, eight hundred sixty-one thousand, two hundred ninety-two".