5812121 has 8 divisors (see below), whose sum is σ = 6658560. Its totient is φ = 4969728.

The previous prime is 5812117. The next prime is 5812127. The reversal of 5812121 is 1212185.

It is a happy number.

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 5812121 - 2² = 5812117 is a prime.

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

It is a Duffinian number.

5812121 is a modest number, since divided by 2121 gives 581 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 5812093 and 5812102.

It is not an unprimeable number, because it can be changed into a prime (5812127) 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, 3320 + ... + 4758.

It is an arithmetic number, because the mean of its divisors is an integer number (832320).

Almost surely, 2^5812121 is an apocalyptic number.

It is an amenable number.

5812121 is a deficient number, since it is larger than the sum of its proper divisors (846439).

5812121 is a wasteful number, since it uses less digits than its factorization.

5812121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 160, while the sum is 20.

The square root of 5812121 is about 2410.8340880285. The cubic root of 5812121 is about 179.7952507259.

The spelling of 5812121 in words is "five million, eight hundred twelve thousand, one hundred twenty-one".