42001371 has 6 divisors (see below), whose sum is σ = 60668660. Its totient is φ = 28000908.

The previous prime is 42001369. The next prime is 42001397. The reversal of 42001371 is 17310024.

42001371 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42001371 - 2¹ = 42001369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2333401 + ... + 2333418.

Almost surely, 2^42001371 is an apocalyptic number.

42001371 is a deficient number, since it is larger than the sum of its proper divisors (18667289).

42001371 is a wasteful number, since it uses less digits than its factorization.

42001371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4666825 (or 4666822 counting only the distinct ones).

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

The square root of 42001371 is about 6480.8464724911. The cubic root of 42001371 is about 347.6064466955.

Adding to 42001371 its reverse (17310024), we get a palindrome (59311395).

The spelling of 42001371 in words is "forty-two million, one thousand, three hundred seventy-one".