5612121 has 24 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 3579840.

The previous prime is 5612111. The next prime is 5612137. The reversal of 5612121 is 1212165.

It is not a de Polignac number, because 5612121 - 2¹³ = 5603929 is a prime.

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 = 5612094 and 5612103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5612111) 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 23 ways as a sum of consecutive naturals, for example, 24610 + ... + 24836.

It is an arithmetic number, because the mean of its divisors is an integer number (352716).

Almost surely, 2^5612121 is an apocalyptic number.

It is an amenable number.

5612121 is a deficient number, since it is larger than the sum of its proper divisors (2853063).

5612121 is a wasteful number, since it uses less digits than its factorization.

5612121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341 (or 338 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 5612121 is about 2368.9915576042. The cubic root of 5612121 is about 177.7088304541.

Adding to 5612121 its reverse (1212165), we get a palindrome (6824286).

The spelling of 5612121 in words is "five million, six hundred twelve thousand, one hundred twenty-one".