4552040121 has 16 divisors (see below), whose sum is σ = 6404792640. Its totient is φ = 2867788800.

The previous prime is 4552039997. The next prime is 4552040123. The reversal of 4552040121 is 1210402554.

It is not a de Polignac number, because 4552040121 - 2⁷ = 4552039993 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4552040091 and 4552040100.

It is not an unprimeable number, because it can be changed into a prime (4552040123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76720 + ... + 122433.

It is an arithmetic number, because the mean of its divisors is an integer number (400299540).

Almost surely, 2^4552040121 is an apocalyptic number.

It is an amenable number.

4552040121 is a deficient number, since it is larger than the sum of its proper divisors (1852752519).

4552040121 is a wasteful number, since it uses less digits than its factorization.

4552040121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199576.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4552040121 is about 67468.8085043748. The cubic root of 4552040121 is about 1657.3034219253.

Adding to 4552040121 its reverse (1210402554), we get a palindrome (5762442675).

The spelling of 4552040121 in words is "four billion, five hundred fifty-two million, forty thousand, one hundred twenty-one".