42041099 has 4 divisors (see below), whose sum is σ = 42753720. Its totient is φ = 41328480.

The previous prime is 42041089. The next prime is 42041101. The reversal of 42041099 is 99014024.

42041099 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42041099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42041059) 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, 356222 + ... + 356339.

It is an arithmetic number, because the mean of its divisors is an integer number (10688430).

Almost surely, 2^42041099 is an apocalyptic number.

42041099 is a deficient number, since it is larger than the sum of its proper divisors (712621).

42041099 is an equidigital number, since it uses as much as digits as its factorization.

42041099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712620.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 42041099 is about 6483.9107797686. The cubic root of 42041099 is about 347.7160094454.

The spelling of 42041099 in words is "forty-two million, forty-one thousand, ninety-nine".