42118875 has 48 divisors (see below), whose sum is σ = 78605280. Its totient is φ = 21672000.

The previous prime is 42118871. The next prime is 42118889. The reversal of 42118875 is 57881124.

It is not a de Polignac number, because 42118875 - 2² = 42118871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42118871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31980 + ... + 33270.

It is an arithmetic number, because the mean of its divisors is an integer number (1637610).

Almost surely, 2^42118875 is an apocalyptic number.

42118875 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42118875 is a deficient number, since it is larger than the sum of its proper divisors (36486405).

42118875 is a wasteful number, since it uses less digits than its factorization.

42118875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1328 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 42118875 is about 6489.9056233508. The cubic root of 42118875 is about 347.9303021337.

Adding to 42118875 its reverse (57881124), we get a palindrome (99999999).

The spelling of 42118875 in words is "forty-two million, one hundred eighteen thousand, eight hundred seventy-five".