10109503 has 4 divisors (see below), whose sum is σ = 10435648. Its totient is φ = 9783360.

The previous prime is 10109497. The next prime is 10109507. The reversal of 10109503 is 30590101.

10109503 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: 30590101 = 89 ⋅343709.

It is a cyclic number.

It is not a de Polignac number, because 10109503 - 2¹⁷ = 9978431 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 (10109507) 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, 163026 + ... + 163087.

It is an arithmetic number, because the mean of its divisors is an integer number (2608912).

Almost surely, 2^10109503 is an apocalyptic number.

10109503 is a deficient number, since it is larger than the sum of its proper divisors (326145).

10109503 is an equidigital number, since it uses as much as digits as its factorization.

10109503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326144.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 10109503 is about 3179.5444642275. The cubic root of 10109503 is about 216.2270061421.

Adding to 10109503 its reverse (30590101), we get a palindrome (40699604).

The spelling of 10109503 in words is "ten million, one hundred nine thousand, five hundred three".