4129870 has 8 divisors (see below), whose sum is σ = 7433784. Its totient is φ = 1651944.

The previous prime is 4129841. The next prime is 4129871. The reversal of 4129870 is 789214.

4129870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129871) 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 3 ways as a sum of consecutive naturals, for example, 206484 + ... + 206503.

It is an arithmetic number, because the mean of its divisors is an integer number (929223).

Almost surely, 2^4129870 is an apocalyptic number.

4129870 is a deficient number, since it is larger than the sum of its proper divisors (3303914).

4129870 is a wasteful number, since it uses less digits than its factorization.

4129870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412994.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 4129870 is about 2032.2081586294. The cubic root of 4129870 is about 160.4398055863.

The spelling of 4129870 in words is "four million, one hundred twenty-nine thousand, eight hundred seventy".