42130401 has 4 divisors (see below), whose sum is σ = 56173872. Its totient is φ = 28086932.

The previous prime is 42130393. The next prime is 42130409. The reversal of 42130401 is 10403124.

42130401 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 an interprime number because it is at equal distance from previous prime (42130393) and next prime (42130409).

It is a cyclic number.

It is not a de Polignac number, because 42130401 - 2³ = 42130393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42130409) 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, 7021731 + ... + 7021736.

It is an arithmetic number, because the mean of its divisors is an integer number (14043468).

Almost surely, 2^42130401 is an apocalyptic number.

It is an amenable number.

42130401 is a deficient number, since it is larger than the sum of its proper divisors (14043471).

42130401 is a wasteful number, since it uses less digits than its factorization.

42130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14043470.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 42130401 is about 6490.7935570314. The cubic root of 42130401 is about 347.9620367492.

Adding to 42130401 its reverse (10403124), we get a palindrome (52533525).

The spelling of 42130401 in words is "forty-two million, one hundred thirty thousand, four hundred one".