42480101 has 4 divisors (see below), whose sum is σ = 42717600. Its totient is φ = 42242604.

The previous prime is 42480091. The next prime is 42480121. The reversal of 42480101 is 10108424.

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 a de Polignac number, because none of the positive numbers 2^k-42480101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42480121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118481 + ... + 118838.

It is an arithmetic number, because the mean of its divisors is an integer number (10679400).

Almost surely, 2^42480101 is an apocalyptic number.

It is an amenable number.

42480101 is a deficient number, since it is larger than the sum of its proper divisors (237499).

42480101 is a wasteful number, since it uses less digits than its factorization.

42480101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237498.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 42480101 is about 6517.6760428852. The cubic root of 42480101 is about 348.9221288592.

Adding to 42480101 its reverse (10108424), we get a palindrome (52588525).

The spelling of 42480101 in words is "forty-two million, four hundred eighty thousand, one hundred one".