10129478 has 4 divisors (see below), whose sum is σ = 15194220. Its totient is φ = 5064738.

The previous prime is 10129447. The next prime is 10129481. The reversal of 10129478 is 87492101.

It is a semiprime because it is the product of two primes.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532368 + ... + 2532371.

It is an arithmetic number, because the mean of its divisors is an integer number (3798555).

Almost surely, 2^10129478 is an apocalyptic number.

10129478 is a deficient number, since it is larger than the sum of its proper divisors (5064742).

10129478 is an equidigital number, since it uses as much as digits as its factorization.

10129478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064741.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 10129478 is about 3182.6840873703. The cubic root of 10129478 is about 216.3693241470.

The spelling of 10129478 in words is "ten million, one hundred twenty-nine thousand, four hundred seventy-eight".