4129555 has 16 divisors (see below), whose sum is σ = 5525280. Its totient is φ = 2944512.

The previous prime is 4129553. The next prime is 4129597. The reversal of 4129555 is 5559214.

4129555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4129555 - 2¹ = 4129553 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (4129553) 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 15 ways as a sum of consecutive naturals, for example, 337 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (345330).

Almost surely, 2^4129555 is an apocalyptic number.

4129555 is a deficient number, since it is larger than the sum of its proper divisors (1395725).

4129555 is a wasteful number, since it uses less digits than its factorization.

4129555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598.

The product of its digits is 9000, while the sum is 31.

The square root of 4129555 is about 2032.1306552483. The cubic root of 4129555 is about 160.4357263761.

The spelling of 4129555 in words is "four million, one hundred twenty-nine thousand, five hundred fifty-five".