121214593 has 2 divisors, whose sum is σ = 121214594. Its totient is φ = 121214592.

The previous prime is 121214579. The next prime is 121214609. The reversal of 121214593 is 395412121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93934864 + 27279729 = 9692^2 + 5223^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121214593 is a prime.

It is not a weakly prime, because it can be changed into another prime (121214543) 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, 60607296 + 60607297.

It is an arithmetic number, because the mean of its divisors is an integer number (60607297).

Almost surely, 2^121214593 is an apocalyptic number.

It is an amenable number.

121214593 is a deficient number, since it is larger than the sum of its proper divisors (1).

121214593 is an equidigital number, since it uses as much as digits as its factorization.

121214593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 28.

The square root of 121214593 is about 11009.7499063330. The cubic root of 121214593 is about 494.9009671623.

The spelling of 121214593 in words is "one hundred twenty-one million, two hundred fourteen thousand, five hundred ninety-three".