10391103 has 6 divisors (see below), whose sum is σ = 15009384. Its totient is φ = 6927396.

The previous prime is 10391093. The next prime is 10391137. The reversal of 10391103 is 30119301.

It is not a de Polignac number, because 10391103 - 2⁵ = 10391071 is a prime.

It is a super-3 number, since 3×10391103³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10391203) 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, 577275 + ... + 577292.

It is an arithmetic number, because the mean of its divisors is an integer number (2501564).

Almost surely, 2^10391103 is an apocalyptic number.

10391103 is a deficient number, since it is larger than the sum of its proper divisors (4618281).

10391103 is a wasteful number, since it uses less digits than its factorization.

10391103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154573 (or 1154570 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 10391103 is about 3223.5233828840. The cubic root of 10391103 is about 218.2163144793.

The spelling of 10391103 in words is "ten million, three hundred ninety-one thousand, one hundred three".