42871130 has 16 divisors (see below), whose sum is σ = 77617224. Its totient is φ = 17048640.

The previous prime is 42871121. The next prime is 42871151. The reversal of 42871130 is 3117824.

It can be written as a sum of positive squares in 4 ways, for example, as 39325441 + 3545689 = 6271^2 + 1883^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42871130.

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, 10661 + ... + 14120.

Almost surely, 2^42871130 is an apocalyptic number.

42871130 is a deficient number, since it is larger than the sum of its proper divisors (34746094).

42871130 is a wasteful number, since it uses less digits than its factorization.

42871130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24961.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 42871130 is about 6547.6049056124. The cubic root of 42871130 is about 349.9894690709.

Adding to 42871130 its reverse (3117824), we get a palindrome (45988954).

The spelling of 42871130 in words is "forty-two million, eight hundred seventy-one thousand, one hundred thirty".