2253121 has 8 divisors (see below), whose sum is σ = 2439360. Its totient is φ = 2068752.

The previous prime is 2253113. The next prime is 2253127. The reversal of 2253121 is 1213522.

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 2253121 - 2³ = 2253113 is a prime.

It is a Duffinian number.

2253121 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2253095 and 2253104.

It is not an unprimeable number, because it can be changed into a prime (2253127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3090 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

2^2253121 is an apocalyptic number.

It is an amenable number.

2253121 is a deficient number, since it is larger than the sum of its proper divisors (186239).

2253121 is a wasteful number, since it uses less digits than its factorization.

2253121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its digits is 120, while the sum is 16.

The square root of 2253121 is about 1501.0399728188. The cubic root of 2253121 is about 131.0976293765.

Subtracting from 2253121 its product of digits (120), we obtain a square (2253001 = 1501²).

Adding to 2253121 its reverse (1213522), we get a palindrome (3466643).

The spelling of 2253121 in words is "two million, two hundred fifty-three thousand, one hundred twenty-one".