846121 has 4 divisors (see below), whose sum is σ = 849744. Its totient is φ = 842500.

The previous prime is 846113. The next prime is 846137. The reversal of 846121 is 121648.

846121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 846121 - 2³ = 846113 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 846092 and 846101.

It is not an unprimeable number, because it can be changed into a prime (846161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435 + ... + 1936.

It is an arithmetic number, because the mean of its divisors is an integer number (212436).

2⁸⁴⁶¹²¹ is an apocalyptic number.

It is an amenable number.

846121 is a deficient number, since it is larger than the sum of its proper divisors (3623).

846121 is a wasteful number, since it uses less digits than its factorization.

846121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622.

The product of its digits is 384, while the sum is 22.

The square root of 846121 is about 919.8483570676. The cubic root of 846121 is about 94.5825077500.

Adding to 846121 its reverse (121648), we get a palindrome (967769).

The spelling of 846121 in words is "eight hundred forty-six thousand, one hundred twenty-one".