10120903 has 6 divisors (see below), whose sum is σ = 10959504. Its totient is φ = 9342216.

The previous prime is 10120843. The next prime is 10120921. The reversal of 10120903 is 30902101.

It is a de Polignac number, because none of the positive numbers 2^k-10120903 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 (10120963) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29775 + ... + 30112.

It is an arithmetic number, because the mean of its divisors is an integer number (1826584).

Almost surely, 2^10120903 is an apocalyptic number.

10120903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10120903 is a deficient number, since it is larger than the sum of its proper divisors (838601).

10120903 is an equidigital number, since it uses as much as digits as its factorization.

10120903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59913 (or 59900 counting only the distinct ones).

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

The square root of 10120903 is about 3181.3366687605. The cubic root of 10120903 is about 216.3082518737.

The spelling of 10120903 in words is "ten million, one hundred twenty thousand, nine hundred three".