121255073 has 2 divisors, whose sum is σ = 121255074. Its totient is φ = 121255072.

The previous prime is 121255051. The next prime is 121255091. The reversal of 121255073 is 370552121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98863249 + 22391824 = 9943^2 + 4732^2 .

It is a cyclic number.

It is not a de Polignac number, because 121255073 - 2⁶ = 121255009 is a prime.

It is not a weakly prime, because it can be changed into another prime (121245073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60627536 + 60627537.

It is an arithmetic number, because the mean of its divisors is an integer number (60627537).

Almost surely, 2^121255073 is an apocalyptic number.

It is an amenable number.

121255073 is a deficient number, since it is larger than the sum of its proper divisors (1).

121255073 is an equidigital number, since it uses as much as digits as its factorization.

121255073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 121255073 is about 11011.5881234271. The cubic root of 121255073 is about 494.9560522830.

The spelling of 121255073 in words is "one hundred twenty-one million, two hundred fifty-five thousand, seventy-three".