42041002 has 4 divisors (see below), whose sum is σ = 63061506. Its totient is φ = 21020500.

The previous prime is 42040993. The next prime is 42041011. The reversal of 42041002 is 20014024.

42041002 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 an interprime number because it is at equal distance from previous prime (42040993) and next prime (42041011).

It can be written as a sum of positive squares in only one way, i.e., 27133681 + 14907321 = 5209^2 + 3861^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 4.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10510249 + ... + 10510252.

Almost surely, 2^42041002 is an apocalyptic number.

42041002 is a deficient number, since it is larger than the sum of its proper divisors (21020504).

42041002 is a wasteful number, since it uses less digits than its factorization.

42041002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21020503.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 42041002 is about 6483.9032997108. The cubic root of 42041002 is about 347.7157420208.

Adding to 42041002 its reverse (20014024), we get a palindrome (62055026).

The spelling of 42041002 in words is "forty-two million, forty-one thousand, two".