10102903 has 4 divisors (see below), whose sum is σ = 10165048. Its totient is φ = 10040760.

The previous prime is 10102867. The next prime is 10102907. The reversal of 10102903 is 30920101.

10102903 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, and also an emirpimes, since its reverse is a distinct semiprime: 30920101 = 1699 ⋅18199.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10102903 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 (10102907) 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, 30828 + ... + 31153.

It is an arithmetic number, because the mean of its divisors is an integer number (2541262).

Almost surely, 2^10102903 is an apocalyptic number.

10102903 is a deficient number, since it is larger than the sum of its proper divisors (62145).

10102903 is an equidigital number, since it uses as much as digits as its factorization.

10102903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62144.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10102903 is about 3178.5064102499. The cubic root of 10102903 is about 216.1799412200.

The spelling of 10102903 in words is "ten million, one hundred two thousand, nine hundred three".