860042003 has 4 divisors (see below), whose sum is σ = 860289240. Its totient is φ = 859794768.

The previous prime is 860041979. The next prime is 860042017. The reversal of 860042003 is 300240068.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 860042003 - 2⁶ = 860041939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 860042003.

It is not an unprimeable number, because it can be changed into a prime (860042033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118325 + ... + 125382.

It is an arithmetic number, because the mean of its divisors is an integer number (215072310).

Almost surely, 2^860042003 is an apocalyptic number.

860042003 is a deficient number, since it is larger than the sum of its proper divisors (247237).

860042003 is a wasteful number, since it uses less digits than its factorization.

860042003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247236.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 860042003 is about 29326.4727336923. The cubic root of 860042003 is about 950.9840230428.

The spelling of 860042003 in words is "eight hundred sixty million, forty-two thousand, three".