42087003 has 16 divisors (see below), whose sum is σ = 64770816. Its totient is φ = 23810400.

The previous prime is 42086969. The next prime is 42087029. The reversal of 42087003 is 30078024.

It is not a de Polignac number, because 42087003 - 2⁶ = 42086939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42087203) 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 15 ways as a sum of consecutive naturals, for example, 7801 + ... + 12042.

It is an arithmetic number, because the mean of its divisors is an integer number (4048176).

Almost surely, 2^42087003 is an apocalyptic number.

42087003 is a deficient number, since it is larger than the sum of its proper divisors (22683813).

42087003 is a wasteful number, since it uses less digits than its factorization.

42087003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19954.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 42087003 is about 6487.4496529838. The cubic root of 42087003 is about 347.8425185854.

It can be divided in two parts, 4208 and 7003, that added together give a palindrome (11211).

The spelling of 42087003 in words is "forty-two million, eighty-seven thousand, three".