4121355 has 16 divisors (see below), whose sum is σ = 7536384. Its totient is φ = 1884000.

The previous prime is 4121321. The next prime is 4121387. The reversal of 4121355 is 5531214.

It is not a de Polignac number, because 4121355 - 2⁶ = 4121291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 19521 + ... + 19730.

It is an arithmetic number, because the mean of its divisors is an integer number (471024).

Almost surely, 2^4121355 is an apocalyptic number.

4121355 is a deficient number, since it is larger than the sum of its proper divisors (3415029).

4121355 is a wasteful number, since it uses less digits than its factorization.

4121355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39266.

The product of its digits is 600, while the sum is 21.

The square root of 4121355 is about 2030.1120658722. The cubic root of 4121355 is about 160.3294643463.

Adding to 4121355 its reverse (5531214), we get a palindrome (9652569).

The spelling of 4121355 in words is "four million, one hundred twenty-one thousand, three hundred fifty-five".