42430121001 has 16 divisors (see below), whose sum is σ = 62894413120. Its totient is φ = 28271008800.

The previous prime is 42430120969. The next prime is 42430121017. The reversal of 42430121001 is 10012103424.

42430121001 is a `hidden beast` number, since 424 + 30 + 1 + 210 + 0 + 1 = 666.

It is not a de Polignac number, because 42430121001 - 2⁵ = 42430120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42430121101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387655 + ... + 484908.

It is an arithmetic number, because the mean of its divisors is an integer number (3930900820).

Almost surely, 2^42430121001 is an apocalyptic number.

It is an amenable number.

42430121001 is a deficient number, since it is larger than the sum of its proper divisors (20464292119).

42430121001 is a wasteful number, since it uses less digits than its factorization.

42430121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874373 (or 874367 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42430121001 its reverse (10012103424), we get a palindrome (52442224425).

The spelling of 42430121001 in words is "forty-two billion, four hundred thirty million, one hundred twenty-one thousand, one".