10129947 has 8 divisors (see below), whose sum is σ = 13638144. Its totient is φ = 6687528.

The previous prime is 10129939. The next prime is 10129969. The reversal of 10129947 is 74992101.

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

It is not a de Polignac number, because 10129947 - 2³ = 10129939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10129927) by changing a digit.

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, 16083 + ... + 16700.

It is an arithmetic number, because the mean of its divisors is an integer number (1704768).

Almost surely, 2^10129947 is an apocalyptic number.

10129947 is a deficient number, since it is larger than the sum of its proper divisors (3508197).

10129947 is a wasteful number, since it uses less digits than its factorization.

10129947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32889.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 10129947 is about 3182.7577664661. The cubic root of 10129947 is about 216.3726634322.

The spelling of 10129947 in words is "ten million, one hundred twenty-nine thousand, nine hundred forty-seven".