4129357 has 4 divisors (see below), whose sum is σ = 4147776. Its totient is φ = 4110940.

The previous prime is 4129343. The next prime is 4129361. The reversal of 4129357 is 7539214.

4129357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7539214 = 2 ⋅3769607.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4129357 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4 + 1 + 2²¹ + 9⁵ + 3⁹ + 5⁹ + 7³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129057) 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, 8869 + ... + 9322.

It is an arithmetic number, because the mean of its divisors is an integer number (1036944).

Almost surely, 2^4129357 is an apocalyptic number.

It is an amenable number.

4129357 is a deficient number, since it is larger than the sum of its proper divisors (18419).

4129357 is a wasteful number, since it uses less digits than its factorization.

4129357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18418.

The product of its digits is 7560, while the sum is 31.

The square root of 4129357 is about 2032.0819373244. The cubic root of 4129357 is about 160.4331621950.

The spelling of 4129357 in words is "four million, one hundred twenty-nine thousand, three hundred fifty-seven".