42005101 has 8 divisors (see below), whose sum is σ = 43321824. Its totient is φ = 40698000.

The previous prime is 42005081. The next prime is 42005167. The reversal of 42005101 is 10150024.

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

It is a cyclic number.

It is not a de Polignac number, because 42005101 - 2⁵ = 42005069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7026 + ... + 11548.

It is an arithmetic number, because the mean of its divisors is an integer number (5415228).

Almost surely, 2^42005101 is an apocalyptic number.

It is an amenable number.

42005101 is a deficient number, since it is larger than the sum of its proper divisors (1316723).

42005101 is a wasteful number, since it uses less digits than its factorization.

42005101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4811.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 42005101 is about 6481.1342371532. The cubic root of 42005101 is about 347.6167363094.

Adding to 42005101 its reverse (10150024), we get a palindrome (52155125).

The spelling of 42005101 in words is "forty-two million, five thousand, one hundred one".