42104299 has 2 divisors, whose sum is σ = 42104300. Its totient is φ = 42104298.

The previous prime is 42104297. The next prime is 42104327. The reversal of 42104299 is 99240124.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42104299 - 2¹ = 42104297 is a prime.

Together with 42104297, it forms a pair of twin primes.

It is equal to p_2553565 and since 42104299 and 2553565 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42104299.

It is not a weakly prime, because it can be changed into another prime (42104297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21052149 + 21052150.

It is an arithmetic number, because the mean of its divisors is an integer number (21052150).

Almost surely, 2^42104299 is an apocalyptic number.

42104299 is a deficient number, since it is larger than the sum of its proper divisors (1).

42104299 is an equidigital number, since it uses as much as digits as its factorization.

42104299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 42104299 is about 6488.7825514498. The cubic root of 42104299 is about 347.8901616407.

The spelling of 42104299 in words is "forty-two million, one hundred four thousand, two hundred ninety-nine".