554121 has 10 divisors (see below), whose sum is σ = 827882. Its totient is φ = 369360.

The previous prime is 554117. The next prime is 554123. The reversal of 554121 is 121455.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 35721 = 720^2 + 189^2 .

It is not a de Polignac number, because 554121 - 2² = 554117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 554094 and 554103.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 554121.

It is not an unprimeable number, because it can be changed into a prime (554123) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3340 + ... + 3501.

2⁵⁵⁴¹²¹ is an apocalyptic number.

It is an amenable number.

554121 is a deficient number, since it is larger than the sum of its proper divisors (273761).

554121 is an equidigital number, since it uses as much as digits as its factorization.

554121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853 (or 6844 counting only the distinct ones).

The product of its digits is 200, while the sum is 18.

The square root of 554121 is about 744.3930413431. The cubic root of 554121 is about 82.1362497881.

Adding to 554121 its reverse (121455), we get a palindrome (675576).

The spelling of 554121 in words is "five hundred fifty-four thousand, one hundred twenty-one".