4121504 has 36 divisors (see below), whose sum is σ = 8477154. Its totient is φ = 1971072.

The previous prime is 4121503. The next prime is 4121527. The reversal of 4121504 is 4051214.

It can be written as a sum of positive squares in only one way, i.e., 2729104 + 1392400 = 1652^2 + 1180^2 .

It is a super-3 number, since 3×4121504³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (4121503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69827 + ... + 69885.

Almost surely, 2^4121504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4121504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4238577).

4121504 is an abundant number, since it is smaller than the sum of its proper divisors (4355650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4121504 is an equidigital number, since it uses as much as digits as its factorization.

4121504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4121504 is about 2030.1487630221. The cubic root of 4121504 is about 160.3313964618.

Adding to 4121504 its reverse (4051214), we get a palindrome (8172718).

The spelling of 4121504 in words is "four million, one hundred twenty-one thousand, five hundred four".