42851122 has 8 divisors (see below), whose sum is σ = 65644416. Its totient is φ = 20969652.

The previous prime is 42851119. The next prime is 42851129. The reversal of 42851122 is 22115824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (42851129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227838 + ... + 228025.

It is an arithmetic number, because the mean of its divisors is an integer number (8205552).

Almost surely, 2^42851122 is an apocalyptic number.

42851122 is a deficient number, since it is larger than the sum of its proper divisors (22793294).

42851122 is a wasteful number, since it uses less digits than its factorization.

42851122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455912.

The product of its digits is 1280, while the sum is 25.

The square root of 42851122 is about 6546.0768403678. The cubic root of 42851122 is about 349.9350137848.

Adding to 42851122 its reverse (22115824), we get a palindrome (64966946).

The spelling of 42851122 in words is "forty-two million, eight hundred fifty-one thousand, one hundred twenty-two".