121763 has 2 divisors, whose sum is σ = 121764. Its totient is φ = 121762.

The previous prime is 121727. The next prime is 121787. The reversal of 121763 is 367121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (367121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121763 - 2⁸ = 121507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121063) 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 as a sum of consecutive naturals, namely, 60881 + 60882.

It is an arithmetic number, because the mean of its divisors is an integer number (60882).

2¹²¹⁷⁶³ is an apocalyptic number.

121763 is a deficient number, since it is larger than the sum of its proper divisors (1).

121763 is an equidigital number, since it uses as much as digits as its factorization.

121763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252, while the sum is 20.

The square root of 121763 is about 348.9455544924. The cubic root of 121763 is about 49.5646198870.

Adding to 121763 its reverse (367121), we get a palindrome (488884).

The spelling of 121763 in words is "one hundred twenty-one thousand, seven hundred sixty-three".