7142003 has 4 divisors (see below), whose sum is σ = 7791288. Its totient is φ = 6492720.

The previous prime is 7141991. The next prime is 7142011. The reversal of 7142003 is 3002417.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7142003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7142053) 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, 324626 + ... + 324647.

It is an arithmetic number, because the mean of its divisors is an integer number (1947822).

Almost surely, 2^7142003 is an apocalyptic number.

7142003 is a deficient number, since it is larger than the sum of its proper divisors (649285).

7142003 is a wasteful number, since it uses less digits than its factorization.

7142003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649284.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 7142003 is about 2672.4526188503. The cubic root of 7142003 is about 192.5780017843.

The spelling of 7142003 in words is "seven million, one hundred forty-two thousand, three".