10109729 has 12 divisors (see below), whose sum is σ = 12380400. Its totient is φ = 8208648.

The previous prime is 10109717. The next prime is 10109753. The reversal of 10109729 is 92790101.

10109729 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10109729 - 2¹⁶ = 10044193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10109779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4499 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (1031700).

Almost surely, 2^10109729 is an apocalyptic number.

10109729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10109729 is a deficient number, since it is larger than the sum of its proper divisors (2270671).

10109729 is a wasteful number, since it uses less digits than its factorization.

10109729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10892 (or 10885 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 10109729 is about 3179.5800037112. The cubic root of 10109729 is about 216.2286173964.

The spelling of 10109729 in words is "ten million, one hundred nine thousand, seven hundred twenty-nine".