5456121 has 16 divisors (see below), whose sum is σ = 8019648. Its totient is φ = 3272000.

The previous prime is 5456117. The next prime is 5456149. The reversal of 5456121 is 1216545.

It is a cyclic number.

It is not a de Polignac number, because 5456121 - 2² = 5456117 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5456091 and 5456100.

It is not an unprimeable number, because it can be changed into a prime (5456111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2515 + ... + 4151.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

Almost surely, 2^5456121 is an apocalyptic number.

It is an amenable number.

5456121 is a deficient number, since it is larger than the sum of its proper divisors (2563527).

5456121 is a wasteful number, since it uses less digits than its factorization.

5456121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752.

The product of its digits is 1200, while the sum is 24.

The square root of 5456121 is about 2335.8341122605. The cubic root of 5456121 is about 176.0467442128.

It can be divided in two parts, 545 and 6121, that added together give a palindrome (6666).

The spelling of 5456121 in words is "five million, four hundred fifty-six thousand, one hundred twenty-one".