42005102 has 8 divisors (see below), whose sum is σ = 63338112. Its totient is φ = 20892400.

The previous prime is 42005081. The next prime is 42005167. The reversal of 42005102 is 20150024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×42005102³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54599 + ... + 55362.

It is an arithmetic number, because the mean of its divisors is an integer number (7917264).

Almost surely, 2^42005102 is an apocalyptic number.

42005102 is a deficient number, since it is larger than the sum of its proper divisors (21333010).

42005102 is a wasteful number, since it uses less digits than its factorization.

42005102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110154.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 42005102 is about 6481.1343143002. The cubic root of 42005102 is about 347.6167390679.

Adding to 42005102 its reverse (20150024), we get a palindrome (62155126).

The spelling of 42005102 in words is "forty-two million, five thousand, one hundred two".