10103720 has 32 divisors (see below), whose sum is σ = 24801120. Its totient is φ = 3673920.

The previous prime is 10103713. The next prime is 10103747. The reversal of 10103720 is 2730101.

It is a junction number, because it is equal to n+sod(n) for n = 10103695 and 10103704.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11042 + ... + 11921.

It is an arithmetic number, because the mean of its divisors is an integer number (775035).

Almost surely, 2^10103720 is an apocalyptic number.

10103720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10103720 is an abundant number, since it is smaller than the sum of its proper divisors (14697400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10103720 is a wasteful number, since it uses less digits than its factorization.

10103720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22985 (or 22981 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 10103720 is about 3178.6349271346. The cubic root of 10103720 is about 216.1857683983.

Adding to 10103720 its reverse (2730101), we get a palindrome (12833821).

The spelling of 10103720 in words is "ten million, one hundred three thousand, seven hundred twenty".