42120401241 has 16 divisors (see below), whose sum is σ = 59049524160. Its totient is φ = 26667520320.

The previous prime is 42120401231. The next prime is 42120401317. The reversal of 42120401241 is 14210402124.

It is not a de Polignac number, because 42120401241 - 2¹⁵ = 42120368473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42120401231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3963075 + ... + 3973688.

It is an arithmetic number, because the mean of its divisors is an integer number (3690595260).

Almost surely, 2^42120401241 is an apocalyptic number.

It is an amenable number.

42120401241 is a deficient number, since it is larger than the sum of its proper divisors (16929122919).

42120401241 is a wasteful number, since it uses less digits than its factorization.

42120401241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936856.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 42120401241 its reverse (14210402124), we get a palindrome (56330803365).

The spelling of 42120401241 in words is "forty-two billion, one hundred twenty million, four hundred one thousand, two hundred forty-one".