42100854 has 8 divisors (see below), whose sum is σ = 84201720. Its totient is φ = 14033616.

The previous prime is 42100853. The next prime is 42100889. The reversal of 42100854 is 45800124.

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

42100854 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42100853) 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 in 3 ways as a sum of consecutive naturals, for example, 3508399 + ... + 3508410.

It is an arithmetic number, because the mean of its divisors is an integer number (10525215).

Almost surely, 2^42100854 is an apocalyptic number.

42100854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42100854 is a wasteful number, since it uses less digits than its factorization.

42100854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016814.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 42100854 is about 6488.5170879023. The cubic root of 42100854 is about 347.8806731853.

Adding to 42100854 its reverse (45800124), we get a palindrome (87900978).

The spelling of 42100854 in words is "forty-two million, one hundred thousand, eight hundred fifty-four".