10142903 has 4 divisors (see below), whose sum is σ = 10676760. Its totient is φ = 9609048.

The previous prime is 10142893. The next prime is 10142911. The reversal of 10142903 is 30924101.

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 10142903 - 2⁴ = 10142887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10142963) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 266900 + ... + 266937.

It is an arithmetic number, because the mean of its divisors is an integer number (2669190).

Almost surely, 2^10142903 is an apocalyptic number.

10142903 is a deficient number, since it is larger than the sum of its proper divisors (533857).

10142903 is an equidigital number, since it uses as much as digits as its factorization.

10142903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533856.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10142903 is about 3184.7924579162. The cubic root of 10142903 is about 216.4648695725.

The spelling of 10142903 in words is "ten million, one hundred forty-two thousand, nine hundred three".