42130089 has 18 divisors (see below), whose sum is σ = 63622650. Its totient is φ = 26862528.

The previous prime is 42130079. The next prime is 42130111. The reversal of 42130089 is 98003124.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 20115225 = 4692^2 + 4485^2 .

It is not a de Polignac number, because 42130089 - 2¹¹ = 42128041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42130009) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 337 + ... + 9185.

Almost surely, 2^42130089 is an apocalyptic number.

It is an amenable number.

42130089 is a deficient number, since it is larger than the sum of its proper divisors (21492561).

42130089 is a wasteful number, since it uses less digits than its factorization.

42130089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901 (or 8875 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 42130089 is about 6490.7695229456. The cubic root of 42130089 is about 347.9611777937.

The spelling of 42130089 in words is "forty-two million, one hundred thirty thousand, eighty-nine".