48121 has 2 divisors, whose sum is σ = 48122. Its totient is φ = 48120.

The previous prime is 48119. The next prime is 48131. The reversal of 48121 is 12184.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44521 + 3600 = 211^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 48121 - 2¹ = 48119 is a prime.

Together with 48119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 48095 and 48104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24060 + 24061.

It is an arithmetic number, because the mean of its divisors is an integer number (24061).

2⁴⁸¹²¹ is an apocalyptic number.

It is an amenable number.

48121 is a deficient number, since it is larger than the sum of its proper divisors (1).

48121 is an equidigital number, since it uses as much as digits as its factorization.

48121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64, while the sum is 16.

The square root of 48121 is about 219.3649926492. The cubic root of 48121 is about 36.3729239534.

Subtracting from 48121 its reverse (12184), we obtain a cube (35937 = 33³).

It can be divided in two parts, 481 and 21, that multiplied together give a palindrome (10101).

The spelling of 48121 in words is "forty-eight thousand, one hundred twenty-one".