10129805 has 8 divisors (see below), whose sum is σ = 13892352. Its totient is φ = 6946128.

The previous prime is 10129799. The next prime is 10129813. The reversal of 10129805 is 50892101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10129805 - 2⁸ = 10129549 is a prime.

It is a super-2 number, since 2×10129805² = 205225898676050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 144677 + ... + 144746.

It is an arithmetic number, because the mean of its divisors is an integer number (1736544).

Almost surely, 2^10129805 is an apocalyptic number.

It is an amenable number.

10129805 is a deficient number, since it is larger than the sum of its proper divisors (3762547).

10129805 is an equidigital number, since it uses as much as digits as its factorization.

10129805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289435.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 10129805 is about 3182.7354586896. The cubic root of 10129805 is about 216.3716524015.

The spelling of 10129805 in words is "ten million, one hundred twenty-nine thousand, eight hundred five".