121801733 has 2 divisors, whose sum is σ = 121801734. Its totient is φ = 121801732.

The previous prime is 121801717. The next prime is 121801747. The reversal of 121801733 is 337108121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120077764 + 1723969 = 10958^2 + 1313^2 .

It is a cyclic number.

It is not a de Polignac number, because 121801733 - 2⁴ = 121801717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121801793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60900866 + 60900867.

It is an arithmetic number, because the mean of its divisors is an integer number (60900867).

Almost surely, 2^121801733 is an apocalyptic number.

It is an amenable number.

121801733 is a deficient number, since it is larger than the sum of its proper divisors (1).

121801733 is an equidigital number, since it uses as much as digits as its factorization.

121801733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 121801733 is about 11036.3822423836. The cubic root of 121801733 is about 495.6987485743.

Adding to 121801733 its reverse (337108121), we get a palindrome (458909854).

The spelling of 121801733 in words is "one hundred twenty-one million, eight hundred one thousand, seven hundred thirty-three".