42017130 has 48 divisors (see below), whose sum is σ = 113297184. Its totient is φ = 11203920.

The previous prime is 42017119. The next prime is 42017137. The reversal of 42017130 is 3171024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42017137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6216 + ... + 11075.

It is an arithmetic number, because the mean of its divisors is an integer number (2360358).

Almost surely, 2^42017130 is an apocalyptic number.

42017130 is an abundant number, since it is smaller than the sum of its proper divisors (71280054).

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

42017130 is a wasteful number, since it uses less digits than its factorization.

42017130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17313 (or 17301 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 42017130 is about 6482.0621718709. The cubic root of 42017130 is about 347.6499154752.

Adding to 42017130 its reverse (3171024), we get a palindrome (45188154).

The spelling of 42017130 in words is "forty-two million, seventeen thousand, one hundred thirty".