42003049 has 8 divisors (see below), whose sum is σ = 47401920. Its totient is φ = 36867600.

The previous prime is 42003023. The next prime is 42003061. The reversal of 42003049 is 94030024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42003049 - 2⁷ = 42002921 is a prime.

It is a super-2 number, since 2×42003049² = 3528512250592802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42003149) 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 7 ways as a sum of consecutive naturals, for example, 65517 + ... + 66154.

It is an arithmetic number, because the mean of its divisors is an integer number (5925240).

Almost surely, 2^42003049 is an apocalyptic number.

It is an amenable number.

42003049 is a deficient number, since it is larger than the sum of its proper divisors (5398871).

42003049 is a wasteful number, since it uses less digits than its factorization.

42003049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131711.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 42003049 is about 6480.9759295958. The cubic root of 42003049 is about 347.6110757178.

The spelling of 42003049 in words is "forty-two million, three thousand, forty-nine".