42602109 has 16 divisors (see below), whose sum is σ = 62610240. Its totient is φ = 25551360.

The previous prime is 42602057. The next prime is 42602149. The reversal of 42602109 is 90120624.

42602109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42602109 - 2²⁴ = 25824893 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42602149) 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 15 ways as a sum of consecutive naturals, for example, 3454 + ... + 9855.

It is an arithmetic number, because the mean of its divisors is an integer number (3913140).

Almost surely, 2^42602109 is an apocalyptic number.

It is an amenable number.

42602109 is a deficient number, since it is larger than the sum of its proper divisors (20008131).

42602109 is a wasteful number, since it uses less digits than its factorization.

42602109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13420.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 42602109 is about 6527.0291097865. The cubic root of 42602109 is about 349.2558584437.

The spelling of 42602109 in words is "forty-two million, six hundred two thousand, one hundred nine".