4552121 has 8 divisors (see below), whose sum is σ = 5226624. Its totient is φ = 3883680.

The previous prime is 4552087. The next prime is 4552123. The reversal of 4552121 is 1212554.

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 4552121 - 2⁶ = 4552057 is a prime.

It is an Ulam number.

It is a Duffinian number.

4552121 is a modest number, since divided by 2121 gives 455 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4552093 and 4552102.

It is not an unprimeable number, because it can be changed into a prime (4552123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (653328).

Almost surely, 2^4552121 is an apocalyptic number.

It is an amenable number.

4552121 is a deficient number, since it is larger than the sum of its proper divisors (674503).

4552121 is a wasteful number, since it uses less digits than its factorization.

4552121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031.

The product of its digits is 400, while the sum is 20.

The square root of 4552121 is about 2133.5700129126. The cubic root of 4552121 is about 165.7313237323.

Adding to 4552121 its reverse (1212554), we get a palindrome (5764675).

The spelling of 4552121 in words is "four million, five hundred fifty-two thousand, one hundred twenty-one".