121475593 has 2 divisors, whose sum is σ = 121475594. Its totient is φ = 121475592.

The previous prime is 121475527. The next prime is 121475597. The reversal of 121475593 is 395574121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99460729 + 22014864 = 9973^2 + 4692^2 .

It is an emirp because it is prime and its reverse (395574121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121475593 is a prime.

It is not a weakly prime, because it can be changed into another prime (121475597) 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, 60737796 + 60737797.

It is an arithmetic number, because the mean of its divisors is an integer number (60737797).

Almost surely, 2^121475593 is an apocalyptic number.

It is an amenable number.

121475593 is a deficient number, since it is larger than the sum of its proper divisors (1).

121475593 is an equidigital number, since it uses as much as digits as its factorization.

121475593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 37.

The square root of 121475593 is about 11021.5966629159. The cubic root of 121475593 is about 495.2559204472.

The spelling of 121475593 in words is "one hundred twenty-one million, four hundred seventy-five thousand, five hundred ninety-three".