2253240121 has 8 divisors (see below), whose sum is σ = 2465838144. Its totient is φ = 2041935120.

The previous prime is 2253240109. The next prime is 2253240127. The reversal of 2253240121 is 1210423522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2253240121 - 2⁵ = 2253240089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2253240092 and 2253240101.

It is not an unprimeable number, because it can be changed into a prime (2253240127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319605 + ... + 326578.

It is an arithmetic number, because the mean of its divisors is an integer number (308229768).

Almost surely, 2^2253240121 is an apocalyptic number.

It is an amenable number.

2253240121 is a deficient number, since it is larger than the sum of its proper divisors (212598023).

2253240121 is a wasteful number, since it uses less digits than its factorization.

2253240121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646511.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2253240121 is about 47468.3064896990. The cubic root of 2253240121 is about 1310.9993968380. Note that the first 3 decimals are identical.

Adding to 2253240121 its reverse (1210423522), we get a palindrome (3463663643).

The spelling of 2253240121 in words is "two billion, two hundred fifty-three million, two hundred forty thousand, one hundred twenty-one".