10129985 has 8 divisors (see below), whose sum is σ = 12200640. Its totient is φ = 8074224.

The previous prime is 10129979. The next prime is 10130009. The reversal of 10129985 is 58992101.

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

It is a cyclic number.

It is not a de Polignac number, because 10129985 - 2⁴ = 10129969 is a prime.

It is a super-2 number, since 2×10129985² = 205233192200450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2165 + ... + 4994.

It is an arithmetic number, because the mean of its divisors is an integer number (1525080).

Almost surely, 2^10129985 is an apocalyptic number.

It is an amenable number.

10129985 is a deficient number, since it is larger than the sum of its proper divisors (2070655).

10129985 is an equidigital number, since it uses as much as digits as its factorization.

10129985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 10129985 is about 3182.7637361262. The cubic root of 10129985 is about 216.3729339881.

The spelling of 10129985 in words is "ten million, one hundred twenty-nine thousand, nine hundred eighty-five".