4121351604 has 120 divisors (see below), whose sum is σ = 11058757248. Its totient is φ = 1337783040.

The previous prime is 4121351573. The next prime is 4121351609. The reversal of 4121351604 is 4061531214.

It is a happy number.

4121351604 is a `hidden beast` number, since 4 + 1 + 2 + 1 + 3 + 51 + 604 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121351609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3669387 + ... + 3670509.

Almost surely, 2^4121351604 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 4121351604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5529378624).

4121351604 is an abundant number, since it is smaller than the sum of its proper divisors (6937405644).

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

4121351604 is a wasteful number, since it uses less digits than its factorization.

4121351604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427 (or 1416 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 4121351604 is about 64197.7538859421. The cubic root of 4121351604 is about 1603.2942030907.

Adding to 4121351604 its reverse (4061531214), we get a palindrome (8182882818).

The spelling of 4121351604 in words is "four billion, one hundred twenty-one million, three hundred fifty-one thousand, six hundred four".