46121 has 4 divisors (see below), whose sum is σ = 48852. Its totient is φ = 43392.

The previous prime is 46103. The next prime is 46133. The reversal of 46121 is 12164.

46121 = T₆₅ + T₆₆ + ... + T₈₁.

46121 = 19² + 20² + ... + 52².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42025 + 4096 = 205^2 + 64^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-46121 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 46096 and 46105.

It is not an unprimeable number, because it can be changed into a prime (46141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1340 + ... + 1373.

It is an arithmetic number, because the mean of its divisors is an integer number (12213).

2⁴⁶¹²¹ is an apocalyptic number.

It is an amenable number.

46121 is a deficient number, since it is larger than the sum of its proper divisors (2731).

46121 is a wasteful number, since it uses less digits than its factorization.

46121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its digits is 48, while the sum is 14.

The square root of 46121 is about 214.7580033433. The cubic root of 46121 is about 35.8618677831.

Adding to 46121 its reverse (12164), we get a palindrome (58285).

The spelling of 46121 in words is "forty-six thousand, one hundred twenty-one".