121864033 has 2 divisors, whose sum is σ = 121864034. Its totient is φ = 121864032.

The previous prime is 121863991. The next prime is 121864073. The reversal of 121864033 is 330468121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79977249 + 41886784 = 8943^2 + 6472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121864033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121863992 and 121864010.

It is not a weakly prime, because it can be changed into another prime (121864073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60932016 + 60932017.

It is an arithmetic number, because the mean of its divisors is an integer number (60932017).

Almost surely, 2^121864033 is an apocalyptic number.

It is an amenable number.

121864033 is a deficient number, since it is larger than the sum of its proper divisors (1).

121864033 is an equidigital number, since it uses as much as digits as its factorization.

121864033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 121864033 is about 11039.2043644458. The cubic root of 121864033 is about 495.7832486535.

The spelling of 121864033 in words is "one hundred twenty-one million, eight hundred sixty-four thousand, thirty-three".