42109175 has 12 divisors (see below), whose sum is σ = 52306920. Its totient is φ = 33628320.

The previous prime is 42109163. The next prime is 42109183. The reversal of 42109175 is 57190124.

It is not a de Polignac number, because 42109175 - 2⁸ = 42108919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18236 + ... + 20414.

It is an arithmetic number, because the mean of its divisors is an integer number (4358910).

Almost surely, 2^42109175 is an apocalyptic number.

42109175 is a deficient number, since it is larger than the sum of its proper divisors (10197745).

42109175 is a wasteful number, since it uses less digits than its factorization.

42109175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 42109175 is about 6489.1582659078. The cubic root of 42109175 is about 347.9035905699.

Adding to 42109175 its reverse (57190124), we get a palindrome (99299299).

The spelling of 42109175 in words is "forty-two million, one hundred nine thousand, one hundred seventy-five".