10103919 has 32 divisors (see below), whose sum is σ = 16312320. Its totient is φ = 5440512.

The previous prime is 10103893. The next prime is 10103921. The reversal of 10103919 is 91930101.

It is not a de Polignac number, because 10103919 - 2⁹ = 10103407 is a prime.

It is a super-2 number, since 2×10103919² = 204178358317122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10105919) 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 31 ways as a sum of consecutive naturals, for example, 28447 + ... + 28799.

It is an arithmetic number, because the mean of its divisors is an integer number (509760).

Almost surely, 2^10103919 is an apocalyptic number.

10103919 is a deficient number, since it is larger than the sum of its proper divisors (6208401).

10103919 is a wasteful number, since it uses less digits than its factorization.

10103919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 243, while the sum is 24.

The square root of 10103919 is about 3178.6662297259. Note that the first 3 decimals coincide. The cubic root of 10103919 is about 216.1871877002.

The spelling of 10103919 in words is "ten million, one hundred three thousand, nine hundred nineteen".