429121 has 8 divisors (see below), whose sum is σ = 535104. Its totient is φ = 334320.

The previous prime is 429119. The next prime is 429127. The reversal of 429121 is 121924.

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

It is not a de Polignac number, because 429121 - 2¹ = 429119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (429127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2710 + ... + 2863.

It is an arithmetic number, because the mean of its divisors is an integer number (66888).

2⁴²⁹¹²¹ is an apocalyptic number.

It is an amenable number.

429121 is a deficient number, since it is larger than the sum of its proper divisors (105983).

429121 is a wasteful number, since it uses less digits than its factorization.

429121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591.

The product of its digits is 144, while the sum is 19.

The square root of 429121 is about 655.0732783437. The cubic root of 429121 is about 75.4269574120.

The spelling of 429121 in words is "four hundred twenty-nine thousand, one hundred twenty-one".