421230129 has 8 divisors (see below), whose sum is σ = 561744960. Its totient is φ = 280767696.

The previous prime is 421230127. The next prime is 421230151. The reversal of 421230129 is 921032124.

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

It is not a de Polignac number, because 421230129 - 2¹ = 421230127 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 421230099 and 421230108.

It is not an unprimeable number, because it can be changed into a prime (421230127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13212 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (70218120).

Almost surely, 2^421230129 is an apocalyptic number.

It is an amenable number.

421230129 is a deficient number, since it is larger than the sum of its proper divisors (140514831).

421230129 is a wasteful number, since it uses less digits than its factorization.

421230129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26199.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 421230129 is about 20523.8916631325. The cubic root of 421230129 is about 749.6176593428.

The spelling of 421230129 in words is "four hundred twenty-one million, two hundred thirty thousand, one hundred twenty-nine".