121325993 has 2 divisors, whose sum is σ = 121325994. Its totient is φ = 121325992.

The previous prime is 121325987. The next prime is 121326017. The reversal of 121325993 is 399523121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102981904 + 18344089 = 10148^2 + 4283^2 .

It is a cyclic number.

It is not a de Polignac number, because 121325993 - 2⁴ = 121325977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (121325983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60662996 + 60662997.

It is an arithmetic number, because the mean of its divisors is an integer number (60662997).

Almost surely, 2^121325993 is an apocalyptic number.

It is an amenable number.

121325993 is a deficient number, since it is larger than the sum of its proper divisors (1).

121325993 is an equidigital number, since it uses as much as digits as its factorization.

121325993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 35.

The square root of 121325993 is about 11014.8078966453. The cubic root of 121325993 is about 495.0525305609.

The spelling of 121325993 in words is "one hundred twenty-one million, three hundred twenty-five thousand, nine hundred ninety-three".