4554321121 has 6 divisors (see below), whose sum is σ = 5297883810. Its totient is φ = 3903703776.

The previous prime is 4554321113. The next prime is 4554321127. The reversal of 4554321121 is 1211234554.

It can be written as a sum of positive squares in only one way, i.e., 4539390625 + 14930496 = 67375^2 + 3864^2 .

It is not a de Polignac number, because 4554321121 - 2³ = 4554321113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4554321121.

It is not an unprimeable number, because it can be changed into a prime (4554321127) 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, 46472616 + ... + 46472713.

It is an arithmetic number, because the mean of its divisors is an integer number (882980635).

Almost surely, 2^4554321121 is an apocalyptic number.

It is an amenable number.

4554321121 is a deficient number, since it is larger than the sum of its proper divisors (743562689).

4554321121 is an equidigital number, since it uses as much as digits as its factorization.

4554321121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92945343 (or 92945336 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 4554321121 is about 67485.7104948892. The cubic root of 4554321121 is about 1657.5801973015.

Adding to 4554321121 its reverse (1211234554), we get a palindrome (5765555675).

The spelling of 4554321121 in words is "four billion, five hundred fifty-four million, three hundred twenty-one thousand, one hundred twenty-one".