4129231 has 4 divisors (see below), whose sum is σ = 4262464. Its totient is φ = 3996000.

The previous prime is 4129199. The next prime is 4129241. The reversal of 4129231 is 1329214.

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

It is a cyclic number.

It is not a de Polignac number, because 4129231 - 2⁵ = 4129199 is a prime.

It is a super-2 number, since 2×4129231² = 34101097302722, which contains 22 as substring.

It is a Duffinian number.

4129231 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66570 + ... + 66631.

It is an arithmetic number, because the mean of its divisors is an integer number (1065616).

Almost surely, 2^4129231 is an apocalyptic number.

4129231 is a deficient number, since it is larger than the sum of its proper divisors (133233).

4129231 is a wasteful number, since it uses less digits than its factorization.

4129231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133232.

The product of its digits is 432, while the sum is 22.

The square root of 4129231 is about 2032.0509344010. The cubic root of 4129231 is about 160.4315304006.

The spelling of 4129231 in words is "four million, one hundred twenty-nine thousand, two hundred thirty-one".