42071401 has 4 divisors (see below), whose sum is σ = 42181632. Its totient is φ = 41961172.

The previous prime is 42071399. The next prime is 42071461. The reversal of 42071401 is 10417024.

42071401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42071401 - 2¹ = 42071399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42071461) 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 3 ways as a sum of consecutive naturals, for example, 54541 + ... + 55306.

It is an arithmetic number, because the mean of its divisors is an integer number (10545408).

Almost surely, 2^42071401 is an apocalyptic number.

It is an amenable number.

42071401 is a deficient number, since it is larger than the sum of its proper divisors (110231).

42071401 is a wasteful number, since it uses less digits than its factorization.

42071401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110230.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 42071401 is about 6486.2470659080. The cubic root of 42071401 is about 347.7995305737.

Adding to 42071401 its reverse (10417024), we get a palindrome (52488425).

The spelling of 42071401 in words is "forty-two million, seventy-one thousand, four hundred one".