4121535 has 16 divisors (see below), whose sum is σ = 7194240. Its totient is φ = 1998240.

The previous prime is 4121527. The next prime is 4121539. The reversal of 4121535 is 5351214.

It is not a de Polignac number, because 4121535 - 2³ = 4121527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12325 + ... + 12654.

It is an arithmetic number, because the mean of its divisors is an integer number (449640).

Almost surely, 2^4121535 is an apocalyptic number.

4121535 is a deficient number, since it is larger than the sum of its proper divisors (3072705).

4121535 is a wasteful number, since it uses less digits than its factorization.

4121535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24998.

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

The square root of 4121535 is about 2030.1563979162. The cubic root of 4121535 is about 160.3317984398.

Adding to 4121535 its reverse (5351214), we get a palindrome (9472749).

It can be divided in two parts, 4121 and 535, that added together give a triangular number (4656 = T₉₆).

The spelling of 4121535 in words is "four million, one hundred twenty-one thousand, five hundred thirty-five".