4121559 has 12 divisors (see below), whose sum is σ = 6411496. Its totient is φ = 2536272.

The previous prime is 4121549. The next prime is 4121561. The reversal of 4121559 is 9551214.

It is not a de Polignac number, because 4121559 - 2⁵ = 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17497 + ... + 17730.

Almost surely, 2^4121559 is an apocalyptic number.

4121559 is a deficient number, since it is larger than the sum of its proper divisors (2289937).

4121559 is a wasteful number, since it uses less digits than its factorization.

4121559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35246 (or 35243 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 4121559 is about 2030.1623087822. The cubic root of 4121559 is about 160.3321096471.

It can be divided in two parts, 412155 and 9, that added together give a square (412164 = 642²).

The spelling of 4121559 in words is "four million, one hundred twenty-one thousand, five hundred fifty-nine".